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10100131999 = 10794393757
BaseRepresentation
bin10010110100000001…
…11100100010011111
3222001220011212101221
421122000330202133
5131141113210444
64350120514211
7505201463656
oct113200744237
928056155357
1010100131999
114313296731
121b5a61b967
13c4c679089
146bb58a19d
153e1a8ba84
hex25a03c89f

10100131999 has 4 divisors (see below), whose sum is σ = 10194525864. Its totient is φ = 10005738136.

The previous prime is 10100131973. The next prime is 10100132033. The reversal of 10100131999 is 99913100101.

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

It is a cyclic number.

It is not a de Polignac number, because 10100131999 - 231 = 7952648351 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 (10100131939) 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, 47196772 + ... + 47196985.

It is an arithmetic number, because the mean of its divisors is an integer number (2548631466).

Almost surely, 210100131999 is an apocalyptic number.

10100131999 is a deficient number, since it is larger than the sum of its proper divisors (94393865).

10100131999 is an equidigital number, since it uses as much as digits as its factorization.

10100131999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94393864.

The product of its (nonzero) digits is 2187, while the sum is 34.

The spelling of 10100131999 in words is "ten billion, one hundred million, one hundred thirty-one thousand, nine hundred ninety-nine".

Divisors: 1 107 94393757 10100131999