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679720004968 = 231743131887261
BaseRepresentation
bin10011110010000100111…
…10000010110101101000
32101222110212002220111211
421321002132002311220
542114031310124333
61240131542402504
7100052044466404
oct11710236026550
92358425086454
10679720004968
112422a424a224
12ab898a30434
134c135a79c94
1424c81b76104
1512a3397eecd
hex9e42782d68

679720004968 has 64 divisors (see below), whose sum is σ = 1391368777920. Its totient is φ = 310044134400.

The previous prime is 679720004941. The next prime is 679720005001. The reversal of 679720004968 is 869400027976.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 322458 + ... + 1209718.

It is an arithmetic number, because the mean of its divisors is an integer number (21740137155).

Almost surely, 2679720004968 is an apocalyptic number.

679720004968 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

679720004968 is an abundant number, since it is smaller than the sum of its proper divisors (711648772952).

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

679720004968 is a wasteful number, since it uses less digits than its factorization.

679720004968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 887458 (or 887454 counting only the distinct ones).

The product of its (nonzero) digits is 9144576, while the sum is 58.

The spelling of 679720004968 in words is "six hundred seventy-nine billion, seven hundred twenty million, four thousand, nine hundred sixty-eight".

Divisors: 1 2 4 8 17 34 43 68 86 131 136 172 262 344 524 731 1048 1462 2227 2924 4454 5633 5848 8908 11266 17816 22532 45064 95761 191522 383044 766088 887261 1774522 3549044 7098088 15083437 30166874 38152223 60333748 76304446 116231191 120667496 152608892 232462382 305217784 464924764 648587791 929849528 1297175582 1975930247 2594351164 3951860494 4997941213 5188702328 7903720988 9995882426 15807441976 19991764852 39983529704 84965000621 169930001242 339860002484 679720004968