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207793321912 = 231113717235677
BaseRepresentation
bin1100000110000101110…
…0100111011110111000
3201212100110210110100201
43001201130213132320
511401030042300122
6235243044011544
721004212044101
oct3014134473670
9655313713321
10207793321912
1180140a05310
1234331690bb4
1316796aaa467
14a0b31493a8
155612746a27
hex30617277b8

207793321912 has 32 divisors (see below), whose sum is σ = 428134241520. Its totient is φ = 93762077440.

The previous prime is 207793321891. The next prime is 207793321921. The reversal of 207793321912 is 219123397702.

207793321912 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8605783 + ... + 8629894.

Almost surely, 2207793321912 is an apocalyptic number.

207793321912 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

207793321912 is an abundant number, since it is smaller than the sum of its proper divisors (220340919608).

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

207793321912 is a wasteful number, since it uses less digits than its factorization.

207793321912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17235831 (or 17235827 counting only the distinct ones).

The product of its (nonzero) digits is 285768, while the sum is 46.

The spelling of 207793321912 in words is "two hundred seven billion, seven hundred ninety-three million, three hundred twenty-one thousand, nine hundred twelve".

Divisors: 1 2 4 8 11 22 44 88 137 274 548 1096 1507 3014 6028 12056 17235677 34471354 68942708 137885416 189592447 379184894 758369788 1516739576 2361287749 4722575498 9445150996 18890301992 25974165239 51948330478 103896660956 207793321912