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10023231013 = 44092273357
BaseRepresentation
bin10010101010110111…
…00101111000100101
3221212112110220002021
421111123211320211
5131011421343023
64334332343141
7503246025565
oct112533457045
927775426067
1010023231013
1142839418a4
121b38914ab1
13c39762433
146b128cda5
153d9e4b35d
hex2556e5e25

10023231013 has 4 divisors (see below), whose sum is σ = 10025508780. Its totient is φ = 10020953248.

The previous prime is 10023231007. The next prime is 10023231061. The reversal of 10023231013 is 31013232001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 656281924 + 9366949089 = 25618^2 + 96783^2 .

It is a cyclic number.

It is not a de Polignac number, because 10023231013 - 29 = 10023230501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10023231083) 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, 1132270 + ... + 1141087.

It is an arithmetic number, because the mean of its divisors is an integer number (2506377195).

Almost surely, 210023231013 is an apocalyptic number.

It is an amenable number.

10023231013 is a deficient number, since it is larger than the sum of its proper divisors (2277767).

10023231013 is an equidigital number, since it uses as much as digits as its factorization.

10023231013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2277766.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 10023231013 its reverse (31013232001), we get a palindrome (41036463014).

The spelling of 10023231013 in words is "ten billion, twenty-three million, two hundred thirty-one thousand, thirteen".

Divisors: 1 4409 2273357 10023231013