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222231203232142 = 2132657488766959
BaseRepresentation
bin110010100001111000111011…
…111011010011100110001110
31002010212002120122121112021011
4302201320323323103212032
5213112014001011412032
62104351334432155434
764544450246026666
oct6241707373234616
91063762518545234
10222231203232142
116489a7a673a525
1220b11a90398b7a
13970040a874900
143cc409498d1a6
151aa5b24929247
hexca1e3bed398e

222231203232142 has 12 divisors (see below), whose sum is σ = 360961333061040. Its totient is φ = 102568247645448.

The previous prime is 222231203232113. The next prime is 222231203232149. The reversal of 222231203232142 is 241232302132222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222231203232149) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 328744383142 + ... + 328744383817.

It is an arithmetic number, because the mean of its divisors is an integer number (30080111088420).

Almost surely, 2222231203232142 is an apocalyptic number.

222231203232142 is a deficient number, since it is larger than the sum of its proper divisors (138730129828898).

222231203232142 is a wasteful number, since it uses less digits than its factorization.

222231203232142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657488766987 (or 657488766974 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 222231203232142 its reverse (241232302132222), we get a palindrome (463463505364364).

The spelling of 222231203232142 in words is "two hundred twenty-two trillion, two hundred thirty-one billion, two hundred three million, two hundred thirty-two thousand, one hundred forty-two".

Divisors: 1 2 13 26 169 338 657488766959 1314977533918 8547353970467 17094707940934 111115601616071 222231203232142