Search a number
-
+
102012121022031 = 32114572254760317
BaseRepresentation
bin10111001100011110001100…
…001111000111111001001111
3111101012021010010000002121200
4113030132030033013321033
5101332331310440201111
61000543415455200543
730326063312503053
oct2714361417077117
9441167103002550
10102012121022031
112a560108959240
12b536770b16153
1344bc917935cac
141b295ad3c3c63
15bbd881976256
hex5cc78c3c7e4f

102012121022031 has 24 divisors (see below), whose sum is σ = 161098115200464. Its totient is φ = 61690242245760.

The previous prime is 102012121022011. The next prime is 102012121022033. The reversal of 102012121022031 is 130220121210201.

102012121022031 is a `hidden beast` number, since 1 + 0 + 201 + 2 + 1 + 210 + 220 + 31 = 666.

It is not a de Polignac number, because 102012121022031 - 25 = 102012121021999 is a prime.

It is a super-2 number, since 2×1020121210220312 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102012121021995 and 102012121022013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102012121022033) 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, 1127334916 + ... + 1127425401.

It is an arithmetic number, because the mean of its divisors is an integer number (6712421466686).

Almost surely, 2102012121022031 is an apocalyptic number.

102012121022031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

102012121022031 is a deficient number, since it is larger than the sum of its proper divisors (59085994178433).

102012121022031 is a wasteful number, since it uses less digits than its factorization.

102012121022031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2254760791 (or 2254760788 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 102012121022031 its reverse (130220121210201), we get a palindrome (232232242232232).

The spelling of 102012121022031 in words is "one hundred two trillion, twelve billion, one hundred twenty-one million, twenty-two thousand, thirty-one".

Divisors: 1 3 9 11 33 99 457 1371 4113 5027 15081 45243 2254760317 6764280951 20292842853 24802363487 74407090461 223221271383 1030425464869 3091276394607 9273829183821 11334680113559 34004040340677 102012121022031