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31023907996 = 2254736073931
BaseRepresentation
bin11100111001001010…
…110100010010011100
32222002002221211002111
4130321022310102130
51002014110023441
622130250003404
72145541603234
oct347112642234
988062854074
1031023907996
1112180207294
126019a16564
132c05553413
14170441acc4
15c1897e081
hex7392b449c

31023907996 has 24 divisors (see below), whose sum is σ = 54420012416. Its totient is φ = 15475365360.

The previous prime is 31023907979. The next prime is 31023908011. The reversal of 31023907996 is 69970932013.

It is a congruent number.

It is an unprimeable number.

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, 7890151 + ... + 7894081.

Almost surely, 231023907996 is an apocalyptic number.

It is an amenable number.

31023907996 is a deficient number, since it is larger than the sum of its proper divisors (23396104420).

31023907996 is a wasteful number, since it uses less digits than its factorization.

31023907996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8089 (or 8087 counting only the distinct ones).

The product of its (nonzero) digits is 551124, while the sum is 49.

The spelling of 31023907996 in words is "thirty-one billion, twenty-three million, nine hundred seven thousand, nine hundred ninety-six".

Divisors: 1 2 4 547 1094 2188 3607 3931 7214 7862 14428 15724 1973029 2150257 3946058 4300514 7892116 8601028 14179117 28358234 56716468 7755976999 15511953998 31023907996