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505412441155152 = 243237322929377421
BaseRepresentation
bin111001011101010111000000…
…1000001010010011001010000
32110021111221212000111022021200
41302322232001001102121100
51012221134134413431102
64550531134203351200
7211312562306615316
oct16272560101223120
92407457760438250
10505412441155152
11137049237a58733
1248828397b22500
131890225b74b94b
148cb414241c0b6
153d66e0dd7b51c
hex1cbab81052650

505412441155152 has 120 divisors (see below), whose sum is σ = 1453131264840840. Its totient is φ = 163866778721280.

The previous prime is 505412441155151. The next prime is 505412441155159. The reversal of 505412441155152 is 251551144214505.

505412441155152 is a `hidden beast` number, since 5 + 0 + 5 + 4 + 1 + 2 + 4 + 41 + 1 + 551 + 52 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 74612694482496 + 430799746672656 = 8637864^2 + 20755716^2 .

It is a super-2 number, since 2×5054124411551522 (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 505412441155098 and 505412441155107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505412441155151) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2515402 + ... + 31892822.

It is an arithmetic number, because the mean of its divisors is an integer number (12109427207007).

Almost surely, 2505412441155152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 505412441155152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (726565632420420).

505412441155152 is an abundant number, since it is smaller than the sum of its proper divisors (947718823685688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

505412441155152 is a wasteful number, since it uses less digits than its factorization.

505412441155152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29380701 (or 29380692 counting only the distinct ones).

The product of its (nonzero) digits is 800000, while the sum is 45.

Adding to 505412441155152 its reverse (251551144214505), we get a palindrome (756963585369657).

The spelling of 505412441155152 in words is "five hundred five trillion, four hundred twelve billion, four hundred forty-one million, one hundred fifty-five thousand, one hundred fifty-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 37 48 72 74 111 144 148 222 296 333 444 592 666 888 1332 1776 2664 3229 5328 6458 9687 12916 19374 25832 29061 38748 51664 58122 77496 116244 119473 154992 232488 238946 358419 464976 477892 716838 955784 1075257 1433676 1911568 2150514 2867352 4301028 5734704 8602056 17204112 29377421 58754842 88132263 117509684 176264526 235019368 264396789 352529052 470038736 528793578 705058104 1057587156 1086964577 1410116208 2115174312 2173929154 3260893731 4230348624 4347858308 6521787462 8695716616 9782681193 13043574924 17391433232 19565362386 26087149848 39130724772 52174299696 78261449544 94859692409 156522899088 189719384818 284579077227 379438769636 569158154454 758877539272 853737231681 1138316308908 1517755078544 1707474463362 2276632617816 3414948926724 3509808619133 4553265235632 6829897853448 7019617238266 10529425857399 13659795706896 14039234476532 21058851714798 28078468953064 31588277572197 42117703429596 56156937906128 63176555144394 84235406859192 126353110288788 168470813718384 252706220577576 505412441155152