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221331202133122 = 28910147925701931
BaseRepresentation
bin110010010100110010101111…
…101011100100110010000010
31002000200001112000202121110101
4302110302233223210302002
5213002242300221224442
62102422052305153014
764422436342641214
oct6224625753446202
91060601460677411
10221331202133122
1164583043569a54
12209a757792b76a
13966659aac24c3
143c926b739c5b4
151a8c4ec281cb7
hexc94cafae4c82

221331202133122 has 32 divisors (see below), whose sum is σ = 339758979494400. Its totient is φ = 108112598352000.

The previous prime is 221331202133117. The next prime is 221331202133143.

221331202133122 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4239504 + ... + 21462427.

It is an arithmetic number, because the mean of its divisors is an integer number (10617468109200).

Almost surely, 2221331202133122 is an apocalyptic number.

221331202133122 is a deficient number, since it is larger than the sum of its proper divisors (118427777361278).

221331202133122 is a wasteful number, since it uses less digits than its factorization.

221331202133122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25702602.

The product of its (nonzero) digits is 5184, while the sum is 28.

It can be divided in two parts, 22133120 and 2133122, that added together give a palindrome (24266242).

The spelling of 221331202133122 in words is "two hundred twenty-one trillion, three hundred thirty-one billion, two hundred two million, one hundred thirty-three thousand, one hundred twenty-two".

Divisors: 1 2 89 101 178 202 479 958 8989 17978 42631 48379 85262 96758 4305731 8611462 25701931 51403862 2287471859 2595895031 4574943718 5191790062 12311224949 24622449898 231034657759 462069315518 1095699020461 1243433719849 2191398040922 2486867439698 110665601066561 221331202133122