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32105545613231 = 110857328961147
BaseRepresentation
bin1110100110011001001111…
…01001000011111110101111
311012200021000200020021220112
413103030213221003332233
513202004124134110411
6152141030053010235
76522356230661336
oct723144751037657
9135607020207815
1032105545613231
11a258981566272
12372632a32397b
1314bb7033a74ac
147cdcb95c8d1d
153aa213cc0b8b
hex1d3327a43faf

32105545613231 has 4 divisors (see below), whose sum is σ = 32105575682952. Its totient is φ = 32105515543512.

The previous prime is 32105545613221. The next prime is 32105545613249. The reversal of 32105545613231 is 13231654550123.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-32105545613231 is a prime.

It is a super-2 number, since 2×321055456132312 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32105545613201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13372001 + ... + 15589146.

It is an arithmetic number, because the mean of its divisors is an integer number (8026393920738).

Almost surely, 232105545613231 is an apocalyptic number.

32105545613231 is a deficient number, since it is larger than the sum of its proper divisors (30069721).

32105545613231 is a wasteful number, since it uses less digits than its factorization.

32105545613231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30069720.

The product of its (nonzero) digits is 324000, while the sum is 41.

The spelling of 32105545613231 in words is "thirty-two trillion, one hundred five billion, five hundred forty-five million, six hundred thirteen thousand, two hundred thirty-one".

Divisors: 1 1108573 28961147 32105545613231