Base | Representation |
---|---|
bin | 1110101011000110010… |
… | …0010111010010000000 |
3 | 220002200101112202022000 |
4 | 3222301210113102000 |
5 | 13112233310443234 |
6 | 311450211344000 |
7 | 24132645604353 |
oct | 3526144272200 |
9 | 802611482260 |
10 | 252087202944 |
11 | 97a00721765 |
12 | 40a335b2000 |
13 | 1aa05619015 |
14 | c2b5aca29a |
15 | 68561a4899 |
hex | 3ab1917480 |
252087202944 has 64 divisors (see below), whose sum is σ = 744007380000. Its totient is φ = 84029066496.
The previous prime is 252087202943. The next prime is 252087202981. The reversal of 252087202944 is 449202780252.
252087202944 is a `hidden beast` number, since 2 + 520 + 87 + 2 + 0 + 2 + 9 + 44 = 666.
It is a tau number, because it is divible by the number of its divisors (64).
It is a self number, because there is not a number n which added to its sum of digits gives 252087202944.
It is not an unprimeable number, because it can be changed into a prime (252087202943) 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, 36467494 + ... + 36474405.
Almost surely, 2252087202944 is an apocalyptic number.
252087202944 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
It is an amenable number.
252087202944 is an abundant number, since it is smaller than the sum of its proper divisors (491920177056).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
252087202944 is an equidigital number, since it uses as much as digits as its factorization.
252087202944 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 72941922 (or 72941904 counting only the distinct ones).
The product of its (nonzero) digits is 645120, while the sum is 45.
The spelling of 252087202944 in words is "two hundred fifty-two billion, eighty-seven million, two hundred two thousand, nine hundred forty-four".
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