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231021102212192 = 2565651109966481
BaseRepresentation
bin110100100001110011001010…
…101110111010010001100000
31010021222101211211021200200002
4310201303022232322101200
5220240022204131242232
62135201343524515132
766442503163425425
oct6441631256722140
91107871754250602
10231021102212192
1167679554544686
1221ab152b84baa8
139bba272818146
1441096a3c55d4c
151ba95c7ebbb62
hexd21ccabba460

231021102212192 has 24 divisors (see below), whose sum is σ = 454829727004632. Its totient is φ = 115508790592000.

The previous prime is 231021102212179. The next prime is 231021102212261. The reversal of 231021102212192 is 291212201120132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52882409 + ... + 57084072.

It is an arithmetic number, because the mean of its divisors is an integer number (18951238625193).

Almost surely, 2231021102212192 is an apocalyptic number.

It is an amenable number.

231021102212192 is a deficient number, since it is larger than the sum of its proper divisors (223808624792440).

231021102212192 is a wasteful number, since it uses less digits than its factorization.

231021102212192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110032142 (or 110032134 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 29.

The spelling of 231021102212192 in words is "two hundred thirty-one trillion, twenty-one billion, one hundred two million, two hundred twelve thousand, one hundred ninety-two".

Divisors: 1 2 4 8 16 32 65651 131302 262604 525208 1050416 2100832 109966481 219932962 439865924 879731848 1759463696 3518927392 7219409444131 14438818888262 28877637776524 57755275553048 115510551106096 231021102212192