Base | Representation |
---|---|
bin | 1110101011111101110… |
… | …1100111011100001001 |
3 | 220010021122012002010020 |
4 | 3222333131213130021 |
5 | 13113223000041040 |
6 | 311525300011053 |
7 | 24141506201643 |
oct | 3527735473411 |
9 | 803248162106 |
10 | 252320315145 |
11 | 98010270378 |
12 | 40a99690a89 |
13 | 1aa419c7a32 |
14 | c2d8a4b893 |
15 | 686b89ecd0 |
hex | 3abf767709 |
252320315145 has 32 divisors (see below), whose sum is σ = 407034163200. Its totient is φ = 133464360960.
The previous prime is 252320315119. The next prime is 252320315147. The reversal of 252320315145 is 541513023252.
It is not a de Polignac number, because 252320315145 - 25 = 252320315113 is a prime.
It is a super-5 number, since 5×2523203151455 (a number of 58 digits) contains 55555 as substring.
It is not an unprimeable number, because it can be changed into a prime (252320315147) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5786625 + ... + 5830065.
It is an arithmetic number, because the mean of its divisors is an integer number (12719817600).
Almost surely, 2252320315145 is an apocalyptic number.
It is an amenable number.
252320315145 is a deficient number, since it is larger than the sum of its proper divisors (154713848055).
252320315145 is a wasteful number, since it uses less digits than its factorization.
252320315145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 46625.
The product of its (nonzero) digits is 36000, while the sum is 33.
Adding to 252320315145 its reverse (541513023252), we get a palindrome (793833338397).
The spelling of 252320315145 in words is "two hundred fifty-two billion, three hundred twenty million, three hundred fifteen thousand, one hundred forty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •