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259157331157 = 2691627592139
BaseRepresentation
bin1111000101011011111…
…0110000110011010101
3220202221010020110220111
43301112332300303111
513221223234044112
6315015533003021
724503105653144
oct3612676606325
9822833213814
10259157331157
119a9a961472a
1242287323471
131b591306c3a
14c786a9d75b
156b1bc225a7
hex3c56fb0cd5

259157331157 has 8 divisors (see below), whose sum is σ = 260281058400. Its totient is φ = 258034791984.

The previous prime is 259157331149. The next prime is 259157331187. The reversal of 259157331157 is 751133751952.

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 259157331157 - 23 = 259157331149 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 259157331157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (259157331137) 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, 141594 + ... + 733732.

It is an arithmetic number, because the mean of its divisors is an integer number (32535132300).

Almost surely, 2259157331157 is an apocalyptic number.

It is an amenable number.

259157331157 is a deficient number, since it is larger than the sum of its proper divisors (1123727243).

259157331157 is a wasteful number, since it uses less digits than its factorization.

259157331157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594035.

The product of its digits is 992250, while the sum is 49.

The spelling of 259157331157 in words is "two hundred fifty-nine billion, one hundred fifty-seven million, three hundred thirty-one thousand, one hundred fifty-seven".

Divisors: 1 269 1627 437663 592139 159285391 963410153 259157331157