Base | Representation |
---|---|
bin | 1010111011001010101… |
… | …1001100000111101100 |
3 | 122221102211101212002020 |
4 | 2232302223030013230 |
5 | 11033332400310022 |
6 | 222115232430140 |
7 | 16362626250111 |
oct | 2566253140754 |
9 | 587384355066 |
10 | 187681260012 |
11 | 726601a6554 |
12 | 3045a0a8350 |
13 | 14910127b0c |
14 | 9126012908 |
15 | 4d36c4235c |
hex | 2bb2acc1ec |
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".
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