Base | Representation |
---|---|
bin | 10010011000001110101… |
… | …11110111000011101100 |
3 | 2020100222012100021022200 |
4 | 21030013113313003230 |
5 | 40321234333402402 |
6 | 1202033311141500 |
7 | 63423521324346 |
oct | 11140727670354 |
9 | 2210865307280 |
10 | 631483887852 |
11 | 2238a1212524 |
12 | a2476814890 |
13 | 47719592c4c |
14 | 227c77da296 |
15 | 1165ddac21c |
hex | 93075f70ec |
631483887852 has 72 divisors (see below), whose sum is σ = 1600871528256. Its totient is φ = 209885727744.
The previous prime is 631483887829. The next prime is 631483887857. The reversal of 631483887852 is 258788384136.
631483887852 is a `hidden beast` number, since 6 + 3 + 1 + 483 + 88 + 78 + 5 + 2 = 666.
It is a self number, because there is not a number n which added to its sum of digits gives 631483887852.
It is not an unprimeable number, because it can be changed into a prime (631483887857) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47771548 + ... + 47784764.
Almost surely, 2631483887852 is an apocalyptic number.
It is an amenable number.
631483887852 is an abundant number, since it is smaller than the sum of its proper divisors (969387640404).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
631483887852 is a wasteful number, since it uses less digits than its factorization.
631483887852 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16967 (or 16962 counting only the distinct ones).
The product of its digits is 61931520, while the sum is 63.
The spelling of 631483887852 in words is "six hundred thirty-one billion, four hundred eighty-three million, eight hundred eighty-seven thousand, eight hundred fifty-two".
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