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10881288313 = 75471284129
BaseRepresentation
bin10100010001001001…
…10100100001111001
31001002100001201102021
422020210310201321
5134241102211223
64555423434441
7533435265430
oct121044644171
931070051367
1010881288313
114684226a65
122138155a21
131045461c4c
1475320c117
1543a44065d
hex288934879

10881288313 has 8 divisors (see below), whose sum is σ = 12438074880. Its totient is φ = 9325080960.

The previous prime is 10881288289. The next prime is 10881288349. The reversal of 10881288313 is 31388218801.

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

It is a cyclic number.

It is not a de Polignac number, because 10881288313 - 213 = 10881280121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10881288313.

It is not an unprimeable number, because it can be changed into a prime (10881289313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103768 + ... + 180361.

It is an arithmetic number, because the mean of its divisors is an integer number (1554759360).

Almost surely, 210881288313 is an apocalyptic number.

It is an amenable number.

10881288313 is a deficient number, since it is larger than the sum of its proper divisors (1556786567).

10881288313 is an equidigital number, since it uses as much as digits as its factorization.

10881288313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289607.

The product of its (nonzero) digits is 73728, while the sum is 43.

The spelling of 10881288313 in words is "ten billion, eight hundred eighty-one million, two hundred eighty-eight thousand, three hundred thirteen".

Divisors: 1 7 5471 38297 284129 1988903 1554469759 10881288313