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32012023431 = 373914439343
BaseRepresentation
bin11101110100000100…
…001011011010000111
310001121222021021122110
4131310010023122013
51011030034222211
622412304432103
72212200465243
oct356404133207
9101558237573
1032012023431
1112637a53013
126254918633
13303218bccb
141799753423
15c755b3ea6
hex77410b687

32012023431 has 8 divisors (see below), whose sum is σ = 42740458240. Its totient is φ = 21312468792.

The previous prime is 32012023429. The next prime is 32012023469. The reversal of 32012023431 is 13432021023.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 32012023431 - 21 = 32012023429 is a prime.

It is a super-2 number, since 2×320120234312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32012023398 and 32012023407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32012023481) 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 7 ways as a sum of consecutive naturals, for example, 7217455 + ... + 7221888.

It is an arithmetic number, because the mean of its divisors is an integer number (5342557280).

Almost surely, 232012023431 is an apocalyptic number.

32012023431 is a deficient number, since it is larger than the sum of its proper divisors (10728434809).

32012023431 is a wasteful number, since it uses less digits than its factorization.

32012023431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14440085.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 32012023431 its reverse (13432021023), we get a palindrome (45444044454).

The spelling of 32012023431 in words is "thirty-two billion, twelve million, twenty-three thousand, four hundred thirty-one".

Divisors: 1 3 739 2217 14439343 43318029 10670674477 32012023431