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213130455513231 = 3511523138886199
BaseRepresentation
bin110000011101011101001101…
…000101110111100010001111
31000221122001221220012022011010
4300131131031011313202033
5210413412133102410411
62033142440220300303
762615111241544404
oct6035351505674217
91027561856168133
10213130455513231
1161a01133923a93
121baa213a3a1693
1391c01672c9079
143a8b7d780a2ab
15199902b5667a6
hexc1d74d17788f

213130455513231 has 8 divisors (see below), whose sum is σ = 284174498275200. Its totient is φ = 142086691546712.

The previous prime is 213130455513223. The next prime is 213130455513257. The reversal of 213130455513231 is 132315554031312.

It is a happy number.

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 213130455513231 - 23 = 213130455513223 is a prime.

It is a super-2 number, since 2×2131304555132312 (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 213130455513231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213130455511231) 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, 67908531 + ... + 70977668.

It is an arithmetic number, because the mean of its divisors is an integer number (35521812284400).

Almost surely, 2213130455513231 is an apocalyptic number.

213130455513231 is a deficient number, since it is larger than the sum of its proper divisors (71044042761969).

213130455513231 is a wasteful number, since it uses less digits than its factorization.

213130455513231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139397725.

The product of its (nonzero) digits is 162000, while the sum is 39.

The spelling of 213130455513231 in words is "two hundred thirteen trillion, one hundred thirty billion, four hundred fifty-five million, five hundred thirteen thousand, two hundred thirty-one".

Divisors: 1 3 511523 1534569 138886199 416658597 71043485171077 213130455513231