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231653356132 = 2211109229210923
BaseRepresentation
bin1101011110111110011…
…1011011001001100100
3211010221022122210002211
43113233213123021210
512243411224344012
6254230423213204
722510405016062
oct3275747331144
9733838583084
10231653356132
118a27530a160
1238a902a7204
1318aca0abbc3
14b2d7d4d032
15605c2db6a7
hex35ef9db264

231653356132 has 48 divisors (see below), whose sum is σ = 448255684800. Its totient is φ = 103874866560.

The previous prime is 231653356111. The next prime is 231653356163.

231653356132 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, 992823 + ... + 1203745.

It is an arithmetic number, because the mean of its divisors is an integer number (9338660100).

Almost surely, 2231653356132 is an apocalyptic number.

231653356132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

231653356132 is a deficient number, since it is larger than the sum of its proper divisors (216602328668).

231653356132 is a wasteful number, since it uses less digits than its factorization.

231653356132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211276 (or 211274 counting only the distinct ones).

The product of its digits is 291600, while the sum is 40.

It can be divided in two parts, 231653 and 356132, that added together give a palindrome (587785).

The spelling of 231653356132 in words is "two hundred thirty-one billion, six hundred fifty-three million, three hundred fifty-six thousand, one hundred thirty-two".

Divisors: 1 2 4 11 22 44 109 218 229 436 458 916 1199 2398 2519 4796 5038 10076 24961 49922 99844 210923 274571 421846 549142 843692 1098284 2320153 4640306 9280612 22990607 45981214 48301367 91962428 96602734 193205468 252896677 505793354 531315037 1011586708 1062630074 2125260148 5264849003 10529698006 21059396012 57913339033 115826678066 231653356132