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2137875198864 = 243487673135893
BaseRepresentation
bin11111000111000011010…
…010101011001110010000
321120101020012100122111220
4133013003102223032100
5240011332022330424
64314043141005040
7310312353233616
oct37070322531620
97511205318456
102137875198864
117547388a7429
122a64020b3780
131267a6b63992
147568bc176b6
153a9273d8579
hex1f1c34ab390

2137875198864 has 80 divisors (see below), whose sum is σ = 5542448748672. Its totient is φ = 710099841024.

The previous prime is 2137875198839. The next prime is 2137875198881. The reversal of 2137875198864 is 4688915787312.

It is a hoax number, since the sum of its digits (69) coincides with the sum of the digits of its distinct 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, 15664102 + ... + 15799994.

Almost surely, 22137875198864 is an apocalyptic number.

2137875198864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2137875198864 is an abundant number, since it is smaller than the sum of its proper divisors (3404573549808).

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

2137875198864 is a wasteful number, since it uses less digits than its factorization.

2137875198864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137064 (or 137058 counting only the distinct ones).

The product of its digits is 162570240, while the sum is 69.

The spelling of 2137875198864 in words is "two trillion, one hundred thirty-seven billion, eight hundred seventy-five million, one hundred ninety-eight thousand, eight hundred sixty-four".

Divisors: 1 2 3 4 6 8 12 16 24 48 487 673 974 1346 1461 1948 2019 2692 2922 3896 4038 5384 5844 7792 8076 10768 11688 16152 23376 32304 135893 271786 327751 407679 543572 655502 815358 983253 1087144 1311004 1630716 1966506 2174288 2622008 3261432 3933012 5244016 6522864 7866024 15732048 66179891 91455989 132359782 182911978 198539673 264719564 274367967 365823956 397079346 529439128 548735934 731647912 794158692 1058878256 1097471868 1463295824 1588317384 2194943736 3176634768 4389887472 44539066643 89078133286 133617199929 178156266572 267234399858 356312533144 534468799716 712625066288 1068937599432 2137875198864