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31768680002 = 252330371587
BaseRepresentation
bin11101100101100011…
…111001011001000010
310001000000101011012212
4131211203321121002
51010030240230002
622332213022122
72203154216213
oct354543713102
9101000334185
1031768680002
1112522656544
1261a7324942
132cc393a407
1417752cb40a
15c5e047352
hex7658f9642

31768680002 has 8 divisors (see below), whose sum is σ = 47744136336. Its totient is φ = 15853967892.

The previous prime is 31768679947. The next prime is 31768680007. The reversal of 31768680002 is 20008686713.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (31768680007) 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, 15184748 + ... + 15186839.

It is an arithmetic number, because the mean of its divisors is an integer number (5968017042).

Almost surely, 231768680002 is an apocalyptic number.

31768680002 is a deficient number, since it is larger than the sum of its proper divisors (15975456334).

31768680002 is a wasteful number, since it uses less digits than its factorization.

31768680002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30372112.

The product of its (nonzero) digits is 96768, while the sum is 41.

The spelling of 31768680002 in words is "thirty-one billion, seven hundred sixty-eight million, six hundred eighty thousand, two".

Divisors: 1 2 523 1046 30371587 60743174 15884340001 31768680002