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21131030101195 = 57603743717177
BaseRepresentation
bin1001100110111111100111…
…00010101111110011001011
32202211002212211010201221201
410303133303202233303023
510232202322201214240
6112535243342245031
74310444424165520
oct463376342576313
982732784121851
1021131030101195
11680768a675363
122453403286777
13ba38559a0321
14530a668b5147
152699eeadad9a
hex1337f38afccb

21131030101195 has 8 divisors (see below), whose sum is σ = 28979698424544. Its totient is φ = 14489849212224.

The previous prime is 21131030101193. The next prime is 21131030101219. The reversal of 21131030101195 is 59110103013112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21131030101195 - 21 = 21131030101193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21131030101193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 301871858554 + ... + 301871858623.

It is an arithmetic number, because the mean of its divisors is an integer number (3622462303068).

Almost surely, 221131030101195 is an apocalyptic number.

21131030101195 is a deficient number, since it is larger than the sum of its proper divisors (7848668323349).

21131030101195 is an equidigital number, since it uses as much as digits as its factorization.

21131030101195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603743717189.

The product of its (nonzero) digits is 810, while the sum is 28.

The spelling of 21131030101195 in words is "twenty-one trillion, one hundred thirty-one billion, thirty million, one hundred one thousand, one hundred ninety-five".

Divisors: 1 5 7 35 603743717177 3018718585885 4226206020239 21131030101195