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12031622613021 = 311438478944759
BaseRepresentation
bin1010111100010101010010…
…0101111000100000011101
31120121012201110121021210010
42233011110211320200131
53034111230342104041
641331130124233433
72351153552542404
oct257052445704035
946535643537703
1012031622613021
113919645335030
12142398609b879
13693766ca731b
142d849572663b
1515ce84213a16
hexaf15497881d

12031622613021 has 16 divisors (see below), whose sum is σ = 17907531333120. Its totient is φ = 7122313596720.

The previous prime is 12031622612981. The next prime is 12031622613061.

12031622613021 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (12031622612981) and next prime (12031622613061).

It is not a de Polignac number, because 12031622613021 - 215 = 12031622580253 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12031622613021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12031622613061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4239470961 + ... + 4239473798.

It is an arithmetic number, because the mean of its divisors is an integer number (1119220708320).

Almost surely, 212031622613021 is an apocalyptic number.

12031622613021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12031622613021 is a deficient number, since it is larger than the sum of its proper divisors (5875908720099).

12031622613021 is a wasteful number, since it uses less digits than its factorization.

12031622613021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8478944816.

The product of its (nonzero) digits is 5184, while the sum is 30.

It can be divided in two parts, 1203162 and 2613021, that added together give a palindrome (3816183).

The spelling of 12031622613021 in words is "twelve trillion, thirty-one billion, six hundred twenty-two million, six hundred thirteen thousand, twenty-one".

Divisors: 1 3 11 33 43 129 473 1419 8478944759 25436834277 93268392349 279805177047 364594624637 1093783873911 4010540871007 12031622613021