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105578032032048 = 2438968033632803
BaseRepresentation
bin11000000000010111001101…
…000110000110100100110000
3111211211011100120200022102110
4120000113031012012210300
5102314242302200011143
61012313513415445320
731144522025124552
oct3000271506064460
9454734316608373
10105578032032048
1130705434739814
12ba11891386840
1346bac7284c5b4
141c1000b0394d2
15c314d845b533
hex6005cd186930

105578032032048 has 80 divisors (see below), whose sum is σ = 275848398322560. Its totient is φ = 34792129439232.

The previous prime is 105578032032047. The next prime is 105578032032071. The reversal of 105578032032048 is 840230230875501.

It is a super-2 number, since 2×1055780320320482 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 105578032031988 and 105578032032006.

It is not an unprimeable number, because it can be changed into a prime (105578032032047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27246015 + ... + 30878817.

It is an arithmetic number, because the mean of its divisors is an integer number (3448104979032).

Almost surely, 2105578032032048 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 105578032032048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137924199161280).

105578032032048 is an abundant number, since it is smaller than the sum of its proper divisors (170270366290512).

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

105578032032048 is a wasteful number, since it uses less digits than its factorization.

105578032032048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3639706 (or 3639700 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 48.

The spelling of 105578032032048 in words is "one hundred five trillion, five hundred seventy-eight billion, thirty-two million, thirty-two thousand, forty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 89 178 267 356 534 712 1068 1424 2136 4272 6803 13606 20409 27212 40818 54424 81636 108848 163272 326544 605467 1210934 1816401 2421868 3632802 3632803 4843736 7265604 7265606 9687472 10898409 14531208 14531212 21796818 29062416 29062424 43593636 58124848 87187272 174374544 323319467 646638934 969958401 1293277868 1939916802 2586555736 3879833604 5173111472 7759667208 15519334416 24713958809 49427917618 74141876427 98855835236 148283752854 197711670472 296567505708 395423340944 593135011416 1186270022832 2199542334001 4399084668002 6598627002003 8798169336004 13197254004006 17596338672008 26394508008012 35192677344016 52789016016024 105578032032048