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187681260012 = 22367233434403
BaseRepresentation
bin1010111011001010101…
…1001100000111101100
3122221102211101212002020
42232302223030013230
511033332400310022
6222115232430140
716362626250111
oct2566253140754
9587384355066
10187681260012
11726601a6554
123045a0a8350
1314910127b0c
149126012908
154d36c4235c
hex2bb2acc1ec

187681260012 has 24 divisors (see below), whose sum is σ = 444459105216. Its totient is φ = 61626682128.

The previous prime is 187681259957. The next prime is 187681260017. The reversal of 187681260012 is 210062186781.

It is not an unprimeable number, because it can be changed into a prime (187681260017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116716398 + ... + 116718005.

It is an arithmetic number, because the mean of its divisors is an integer number (18519129384).

Almost surely, 2187681260012 is an apocalyptic number.

187681260012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

187681260012 is an abundant number, since it is smaller than the sum of its proper divisors (256777845204).

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

187681260012 is a wasteful number, since it uses less digits than its factorization.

187681260012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233434477 (or 233434475 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 42.

The spelling of 187681260012 in words is "one hundred eighty-seven billion, six hundred eighty-one million, two hundred sixty thousand, twelve".

Divisors: 1 2 3 4 6 12 67 134 201 268 402 804 233434403 466868806 700303209 933737612 1400606418 2801212836 15640105001 31280210002 46920315003 62560420004 93840630006 187681260012