Base | Representation |
---|---|
bin | 101000111010001000… |
… | …1010000010110001100 |
3 | 22101202102022201202202 |
4 | 1101310101100112030 |
5 | 2414404101321010 |
6 | 104205134541032 |
7 | 6230001621614 |
oct | 1216421202614 |
9 | 271672281682 |
10 | 87850026380 |
11 | 34291060096 |
12 | 15038967778 |
13 | 839058803c |
14 | 4375563a44 |
15 | 24427426a5 |
hex | 147445058c |
87850026380 has 12 divisors (see below), whose sum is σ = 184485055440. Its totient is φ = 35140010544.
The previous prime is 87850026379. The next prime is 87850026449. The reversal of 87850026380 is 8362005878.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2196250640 + ... + 2196250679.
It is an arithmetic number, because the mean of its divisors is an integer number (15373754620).
Almost surely, 287850026380 is an apocalyptic number.
It is an amenable number.
87850026380 is an abundant number, since it is smaller than the sum of its proper divisors (96635029060).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87850026380 is a wasteful number, since it uses less digits than its factorization.
87850026380 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4392501328 (or 4392501326 counting only the distinct ones).
The product of its (nonzero) digits is 645120, while the sum is 47.
The spelling of 87850026380 in words is "eighty-seven billion, eight hundred fifty million, twenty-six thousand, three hundred eighty".
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