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12013631570755 = 5113136397155891
BaseRepresentation
bin1010111011010010010000…
…1111100000001101000011
31120112111021122021122110101
42232310210033200031003
53033312404140231010
641314553001543231
72346645663316213
oct256644417401503
946474248248411
1012013631570755
113911a52910761
1214203a4aa4b17
13691b5a892099
142d766a18c243
1515c77ea2973a
hexaed243e0343

12013631570755 has 16 divisors (see below), whose sum is σ = 14544136198944. Its totient is φ = 9525722053120.

The previous prime is 12013631570749. The next prime is 12013631570783. The reversal of 12013631570755 is 55707513631021.

It is not a de Polignac number, because 12013631570755 - 25 = 12013631570723 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76986360 + ... + 77142250.

It is an arithmetic number, because the mean of its divisors is an integer number (909008512434).

Almost surely, 212013631570755 is an apocalyptic number.

12013631570755 is a deficient number, since it is larger than the sum of its proper divisors (2530504628189).

12013631570755 is a wasteful number, since it uses less digits than its factorization.

12013631570755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292406.

The product of its (nonzero) digits is 661500, while the sum is 46.

The spelling of 12013631570755 in words is "twelve trillion, thirteen billion, six hundred thirty-one million, five hundred seventy thousand, seven hundred fifty-five".

Divisors: 1 5 113 565 136397 155891 681985 779455 15412861 17615683 77064305 88078415 21263064727 106315323635 2402726314151 12013631570755