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19466703872 = 210711246889
BaseRepresentation
bin10010001000010011…
…100101010000000000
31212020200001000111022
4102020103211100000
5304331434010442
612535355005012
71256255152460
oct221023452000
955220030438
1019466703872
11828a4a0820
123933439768
131ab30654b5
14d29543ba0
1578e0273d2
hex4884e5400

19466703872 has 88 divisors (see below), whose sum is σ = 48516847680. Its totient is φ = 7584399360.

The previous prime is 19466703869. The next prime is 19466703887. The reversal of 19466703872 is 27830766491.

It is a tau number, because it is divible by the number of its divisors (88).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44597 + ... + 202292.

Almost surely, 219466703872 is an apocalyptic number.

It is an amenable number.

19466703872 is an abundant number, since it is smaller than the sum of its proper divisors (29050143808).

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

19466703872 is a wasteful number, since it uses less digits than its factorization.

19466703872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246927 (or 246909 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 53.

The spelling of 19466703872 in words is "nineteen billion, four hundred sixty-six million, seven hundred three thousand, eight hundred seventy-two".

Divisors: 1 2 4 7 8 11 14 16 22 28 32 44 56 64 77 88 112 128 154 176 224 256 308 352 448 512 616 704 896 1024 1232 1408 1792 2464 2816 3584 4928 5632 7168 9856 11264 19712 39424 78848 246889 493778 987556 1728223 1975112 2715779 3456446 3950224 5431558 6912892 7900448 10863116 13825784 15800896 19010453 21726232 27651568 31601792 38020906 43452464 55303136 63203584 76041812 86904928 110606272 126407168 152083624 173809856 221212544 252814336 304167248 347619712 442425088 608334496 695239424 884850176 1216668992 1390478848 1769700352 2433337984 2780957696 4866675968 9733351936 19466703872