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221104240000131 = 388318345760767
BaseRepresentation
bin110010010001011111010111…
…101011101111110010000011
31001222212100200122110122200210
4302101133113223233302003
5212440032440420001011
62102125515143045203
764400153120433405
oct6221372753576203
91058770618418623
10221104240000131
11644a5866339214
122096b596740803
13964b06a8c04a7
143c857064d4b75
151a86666c576a6
hexc917d7aefc83

221104240000131 has 8 divisors (see below), whose sum is σ = 294839036411904. Its totient is φ = 147386135127560.

The previous prime is 221104240000129. The next prime is 221104240000157. The reversal of 221104240000131 is 131000042401122.

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 221104240000131 - 21 = 221104240000129 is a prime.

It is a super-2 number, since 2×2211042400001312 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 221104240000098 and 221104240000107.

It is not an unprimeable number, because it can be changed into a prime (221104240000181) 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, 4172853891 + ... + 4172906876.

It is an arithmetic number, because the mean of its divisors is an integer number (36854879551488).

Almost surely, 2221104240000131 is an apocalyptic number.

221104240000131 is a deficient number, since it is larger than the sum of its proper divisors (73734796411773).

221104240000131 is an equidigital number, since it uses as much as digits as its factorization.

221104240000131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8345769601.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 221104240000131 its reverse (131000042401122), we get a palindrome (352104282401253).

The spelling of 221104240000131 in words is "two hundred twenty-one trillion, one hundred four billion, two hundred forty million, one hundred thirty-one", and thus it is an aban number.

Divisors: 1 3 8831 26493 8345760767 25037282301 73701413333377 221104240000131