Search a number
-
+
102438930864 = 24318197112143
BaseRepresentation
bin101111101100111010…
…1100000100110110000
3100210102010220212102110
41133121311200212300
53134243331241424
6115020525445320
710254350355054
oct1373165404660
9323363825373
10102438930864
113a498118a46
1217a2a710840
139876ba93ba
144d5ad35c64
1529e8400c29
hex17d9d609b0

102438930864 has 80 divisors (see below), whose sum is σ = 266391949824. Its totient is φ = 33919891200.

The previous prime is 102438930817. The next prime is 102438930907. The reversal of 102438930864 is 468039834201.

It is a Harshad number since it is a multiple of its sum of digits (48).

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 15 ways as a sum of consecutive naturals, for example, 8429977 + ... + 8442119.

Almost surely, 2102438930864 is an apocalyptic number.

It is an amenable number.

102438930864 is an abundant number, since it is smaller than the sum of its proper divisors (163953018960).

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

102438930864 is a wasteful number, since it uses less digits than its factorization.

102438930864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13306 (or 13300 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 48.

The spelling of 102438930864 in words is "one hundred two billion, four hundred thirty-eight million, nine hundred thirty thousand, eight hundred sixty-four".

Divisors: 1 2 3 4 6 8 12 16 24 48 181 362 543 724 971 1086 1448 1942 2172 2896 2913 3884 4344 5826 7768 8688 11652 12143 15536 23304 24286 36429 46608 48572 72858 97144 145716 175751 194288 291432 351502 527253 582864 703004 1054506 1406008 2109012 2197883 2812016 4218024 4395766 6593649 8436048 8791532 11790853 13187298 17583064 23581706 26374596 35166128 35372559 47163412 52749192 70745118 94326824 105498384 141490236 188653648 282980472 565960944 2134144393 4268288786 6402433179 8536577572 12804866358 17073155144 25609732716 34146310288 51219465432 102438930864