Base | Representation |
---|---|
bin | 1010111000101011011… |
… | …1000011010010110000 |
3 | 122212201021111000001202 |
4 | 2232022313003102300 |
5 | 11031000344442234 |
6 | 221525051350332 |
7 | 16340235442220 |
oct | 2561267032260 |
9 | 585637430052 |
10 | 187013280944 |
11 | 72348137a36 |
12 | 302b24523a8 |
13 | 1483491a529 |
14 | 90a1412080 |
15 | 4ce829777e |
hex | 2b8adc34b0 |
187013280944 has 80 divisors (see below), whose sum is σ = 439618291200. Its totient is φ = 75234604032.
The previous prime is 187013280869. The next prime is 187013280977. The reversal of 187013280944 is 449082310781.
187013280944 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×1870132809442 (a number of 23 digits) contains 22 as substring.
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, 592037 + ... + 851195.
It is an arithmetic number, because the mean of its divisors is an integer number (5495228640).
Almost surely, 2187013280944 is an apocalyptic number.
187013280944 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 187013280944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (219809145600).
187013280944 is an abundant number, since it is smaller than the sum of its proper divisors (252605010256).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
187013280944 is a wasteful number, since it uses less digits than its factorization.
187013280944 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 259570 (or 259564 counting only the distinct ones).
The product of its (nonzero) digits is 387072, while the sum is 47.
The spelling of 187013280944 in words is "one hundred eighty-seven billion, thirteen million, two hundred eighty thousand, nine hundred forty-four".
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