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1056807713 = 1381292901
BaseRepresentation
bin111110111111011…
…001101100100001
32201122120101122102
4332333121230201
54131020321323
6252511020145
735121501023
oct7677315441
92648511572
101056807713
114a25a4305
12255b0a655
1313ac3a110
14a04d8013
1562ba3328
hex3efd9b21

1056807713 has 4 divisors (see below), whose sum is σ = 1138100628. Its totient is φ = 975514800.

The previous prime is 1056807691. The next prime is 1056807779. The reversal of 1056807713 is 3177086501.

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 306705169 + 750102544 = 17513^2 + 27388^2 .

It is not a de Polignac number, because 1056807713 - 210 = 1056806689 is a prime.

It is a super-2 number, since 2×10568077132 = 2233685084512580738, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1056807793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40646438 + ... + 40646463.

It is an arithmetic number, because the mean of its divisors is an integer number (284525157).

Almost surely, 21056807713 is an apocalyptic number.

1056807713 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1056807713 is a deficient number, since it is larger than the sum of its proper divisors (81292915).

1056807713 is an equidigital number, since it uses as much as digits as its factorization.

1056807713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81292914.

The product of its (nonzero) digits is 35280, while the sum is 38.

The square root of 1056807713 is about 32508.5790676861. The cubic root of 1056807713 is about 1018.5882407527.

The spelling of 1056807713 in words is "one billion, fifty-six million, eight hundred seven thousand, seven hundred thirteen".

Divisors: 1 13 81292901 1056807713