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14642109888 = 263710894427
BaseRepresentation
bin11011010001011110…
…01101110111000000
31101210102201020202020
431220233031313000
5214441340004023
610420531121440
71025562611010
oct155057156700
941712636666
1014642109888
1162340a896a
122a07743280
1314c465c763
149cc8a1c40
155aa6bcde3
hex368bcddc0

14642109888 has 56 divisors (see below), whose sum is σ = 44274955392. Its totient is φ = 4183459584.

The previous prime is 14642109793. The next prime is 14642109901. The reversal of 14642109888 is 88890124641.

It is a tau number, because it is divible by the number of its divisors (56).

It is a self number, because there is not a number n which added to its sum of digits gives 14642109888.

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, 5445870 + ... + 5448557.

Almost surely, 214642109888 is an apocalyptic number.

It is an amenable number.

14642109888 is an abundant number, since it is smaller than the sum of its proper divisors (29632845504).

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

14642109888 is a wasteful number, since it uses less digits than its factorization.

14642109888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10894449 (or 10894439 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 51.

The spelling of 14642109888 in words is "fourteen billion, six hundred forty-two million, one hundred nine thousand, eight hundred eighty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 64 84 96 112 168 192 224 336 448 672 1344 10894427 21788854 32683281 43577708 65366562 76260989 87155416 130733124 152521978 174310832 228782967 261466248 305043956 348621664 457565934 522932496 610087912 697243328 915131868 1045864992 1220175824 1830263736 2091729984 2440351648 3660527472 4880703296 7321054944 14642109888