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23231212113109 = 7111335964646251
BaseRepresentation
bin1010100100000111100000…
…01001010100110011010101
310001020212211010010002120111
411102003300021110303111
511021110010300104414
6121224134351403021
74615254043560220
oct522036011246325
9101225733102514
1023231212113109
117447335668510
122732445b23471
13cc6903670990
145a457a6445b7
152a446cca78c4
hex1520f0254cd5

23231212113109 has 32 divisors (see below), whose sum is σ = 31278442567680. Its totient is φ = 16663217400000.

The previous prime is 23231212113079. The next prime is 23231212113167. The reversal of 23231212113109 is 90131121213232.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 23231212113109 - 25 = 23231212113077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23231212113709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31963767 + ... + 32682484.

It is an arithmetic number, because the mean of its divisors is an integer number (977451330240).

Almost surely, 223231212113109 is an apocalyptic number.

It is an amenable number.

23231212113109 is a deficient number, since it is larger than the sum of its proper divisors (8047230454571).

23231212113109 is a wasteful number, since it uses less digits than its factorization.

23231212113109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64646641.

The product of its (nonzero) digits is 3888, while the sum is 31.

The spelling of 23231212113109 in words is "twenty-three trillion, two hundred thirty-one billion, two hundred twelve million, one hundred thirteen thousand, one hundred nine".

Divisors: 1 7 11 13 77 91 143 359 1001 2513 3949 4667 27643 32669 51337 359359 64646251 452523757 711108761 840401263 4977761327 5882808841 9244413893 23208004109 64710897251 162456028763 255288045199 301704053417 1787016316393 2111928373919 3318744587587 23231212113109