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10456358161 = 12809816329
BaseRepresentation
bin10011011110011111…
…10101110100010001
3222222201111000211111
421233033311310101
5132403311430121
64445324013321
7520055402134
oct115717656421
928881430744
1010456358161
114486383717
122039991241
13ca84021a2
147129d821b
15412ea52e1
hex26f3f5d11

10456358161 has 4 divisors (see below), whose sum is σ = 10457187300. Its totient is φ = 10455529024.

The previous prime is 10456358137. The next prime is 10456358173. The reversal of 10456358161 is 16185365401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16185365401 = 53873004523.

It can be written as a sum of positive squares in 2 ways, for example, as 5086399761 + 5369958400 = 71319^2 + 73280^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10456358161 is a prime.

It is a super-2 number, since 2×104563581612 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10456358191) 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, 395356 + ... + 420973.

It is an arithmetic number, because the mean of its divisors is an integer number (2614296825).

Almost surely, 210456358161 is an apocalyptic number.

It is an amenable number.

10456358161 is a deficient number, since it is larger than the sum of its proper divisors (829139).

10456358161 is an equidigital number, since it uses as much as digits as its factorization.

10456358161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829138.

The product of its (nonzero) digits is 86400, while the sum is 40.

The spelling of 10456358161 in words is "ten billion, four hundred fifty-six million, three hundred fifty-eight thousand, one hundred sixty-one".

Divisors: 1 12809 816329 10456358161