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91631312211032 = 2311294660446499
BaseRepresentation
bin10100110101011010010011…
…110100001000110001011000
3110000102212102200210212221022
4110311122103310020301120
544002241411411223112
6522514502123502012
725205100223466666
oct2465322364106130
9400385380725838
1091631312211032
1127218691a13200
12a33a919087908
133c18a460ca899
14188ad9cbd7c36
15a8d819d8cd72
hex535693d08c58

91631312211032 has 24 divisors (see below), whose sum is σ = 188847590767500. Its totient is φ = 41650596459120.

The previous prime is 91631312210953. The next prime is 91631312211041. The reversal of 91631312211032 is 23011221313619.

It is a super-2 number, since 2×916313122110322 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 91631312210983 and 91631312211001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 47330222282 + ... + 47330224217.

Almost surely, 291631312211032 is an apocalyptic number.

It is an amenable number.

91631312211032 is an abundant number, since it is smaller than the sum of its proper divisors (97216278556468).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

91631312211032 is a wasteful number, since it uses less digits than its factorization.

91631312211032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94660446527 (or 94660446512 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 35.

The spelling of 91631312211032 in words is "ninety-one trillion, six hundred thirty-one billion, three hundred twelve million, two hundred eleven thousand, thirty-two".

Divisors: 1 2 4 8 11 22 44 88 121 242 484 968 94660446499 189320892998 378641785996 757283571992 1041264911489 2082529822978 4165059645956 8330119291912 11453914026379 22907828052758 45815656105516 91631312211032