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100810394957 = 113892127389
BaseRepresentation
bin101110111100011000…
…1001000110101001101
3100122012122112200010202
41131320301020311031
53122424430114312
6114151152343245
710166114135006
oct1357061106515
9318178480122
10100810394957
11398319268a8
1217655244b25
139677691b9c
144c449341ad
1529504669c2
hex1778c48d4d

100810394957 has 4 divisors (see below), whose sum is σ = 101702522460. Its totient is φ = 99918267456.

The previous prime is 100810394939. The next prime is 100810394977. The reversal of 100810394957 is 759493018001.

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 14451405796 + 86358989161 = 120214^2 + 293869^2 .

It is a cyclic number.

It is not a de Polignac number, because 100810394957 - 220 = 100809346381 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 (100810394917) 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, 446063582 + ... + 446063807.

It is an arithmetic number, because the mean of its divisors is an integer number (25425630615).

Almost surely, 2100810394957 is an apocalyptic number.

It is an amenable number.

100810394957 is a deficient number, since it is larger than the sum of its proper divisors (892127503).

100810394957 is an equidigital number, since it uses as much as digits as its factorization.

100810394957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 892127502.

The product of its (nonzero) digits is 272160, while the sum is 47.

The spelling of 100810394957 in words is "one hundred billion, eight hundred ten million, three hundred ninety-four thousand, nine hundred fifty-seven".

Divisors: 1 113 892127389 100810394957