Base | Representation |
---|---|
bin | 1110101011110010100… |
… | …0001011011110000011 |
3 | 220010011022200122110100 |
4 | 3222330220023132003 |
5 | 13113123311040030 |
6 | 311520440333443 |
7 | 24140361005250 |
oct | 3527450133603 |
9 | 803138618410 |
10 | 252272752515 |
11 | 97a96434913 |
12 | 40a85774283 |
13 | 1aa34bb3b74 |
14 | c2d25ca427 |
15 | 6867607360 |
hex | 3abca0b783 |
252272752515 has 48 divisors (see below), whose sum is σ = 509169405888. Its totient is φ = 113148741888.
The previous prime is 252272752513. The next prime is 252272752541. The reversal of 252272752515 is 515257272252.
It is a happy number.
252272752515 is a `hidden beast` number, since 2 + 52 + 2 + 72 + 7 + 525 + 1 + 5 = 666.
It is not a de Polignac number, because 252272752515 - 21 = 252272752513 is a prime.
It is a super-2 number, since 2×2522727525152 (a number of 24 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is not an unprimeable number, because it can be changed into a prime (252272752513) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7538644 + ... + 7572033.
It is an arithmetic number, because the mean of its divisors is an integer number (10607695956).
Almost surely, 2252272752515 is an apocalyptic number.
252272752515 is an abundant number, since it is smaller than the sum of its proper divisors (256896653373).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
252272752515 is a wasteful number, since it uses less digits than its factorization.
252272752515 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15110748 (or 15110745 counting only the distinct ones).
The product of its digits is 980000, while the sum is 45.
The spelling of 252272752515 in words is "two hundred fifty-two billion, two hundred seventy-two million, seven hundred fifty-two thousand, five hundred fifteen".
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