Base | Representation |
---|---|
bin | 10011111000100010000100… |
… | …010110011110111111001100 |
3 | 102110121220221101011002101020 |
4 | 103320202010112132333030 |
5 | 42430221000141230124 |
6 | 505552535513514140 |
7 | 24263614611015402 |
oct | 2370420426367714 |
9 | 373556841132336 |
10 | 87447754633164 |
11 | 25955425806562 |
12 | 9983b64112950 |
13 | 39a4398611963 |
14 | 17846cb3d3472 |
15 | a19ab41e7379 |
hex | 4f888459efcc |
87447754633164 has 48 divisors (see below), whose sum is σ = 209170089580032. Its totient is φ = 28423810014912.
The previous prime is 87447754633163. The next prime is 87447754633171. The reversal of 87447754633164 is 46133645774478.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (87447754633163) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 421664644 + ... + 421871979.
It is an arithmetic number, because the mean of its divisors is an integer number (4357710199584).
Almost surely, 287447754633164 is an apocalyptic number.
It is an amenable number.
87447754633164 is an abundant number, since it is smaller than the sum of its proper divisors (121722334946868).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87447754633164 is a wasteful number, since it uses less digits than its factorization.
87447754633164 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 843536846 (or 843536844 counting only the distinct ones).
The product of its digits is 1137991680, while the sum is 69.
The spelling of 87447754633164 in words is "eighty-seven trillion, four hundred forty-seven billion, seven hundred fifty-four million, six hundred thirty-three thousand, one hundred sixty-four".
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