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10006562881 = 72316587599
BaseRepresentation
bin10010101000111000…
…00000100001000001
3221211101010001201001
421110130000201001
5130443140003011
64332535212001
7502654244500
oct112434004101
927741101631
1010006562881
114275497887
121b33217001
13c36177733
146acd90837
153d87577c1
hex254700841

10006562881 has 12 divisors (see below), whose sum is σ = 12015782400. Its totient is φ = 8300373480.

The previous prime is 10006562851. The next prime is 10006562893. The reversal of 10006562881 is 18826560001.

It is not a de Polignac number, because 10006562881 - 29 = 10006562369 is a prime.

It is a super-2 number, since 2×100065628812 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10006562881.

It is not an unprimeable number, because it can be changed into a prime (10006562801) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3292281 + ... + 3295318.

It is an arithmetic number, because the mean of its divisors is an integer number (1001315200).

Almost surely, 210006562881 is an apocalyptic number.

It is an amenable number.

10006562881 is a deficient number, since it is larger than the sum of its proper divisors (2009219519).

10006562881 is an equidigital number, since it uses as much as digits as its factorization.

10006562881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6587644 (or 6587637 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 37.

The spelling of 10006562881 in words is "ten billion, six million, five hundred sixty-two thousand, eight hundred eighty-one".

Divisors: 1 7 31 49 217 1519 6587599 46113193 204215569 322792351 1429508983 10006562881