Base | Representation |
---|---|
bin | 1001000010011011010… |
… | …01010010101001011111 |
3 | 1002200120002101112000201 |
4 | 10201031221102221133 |
5 | 20041441310041411 |
6 | 354354340404331 |
7 | 31302323061346 |
oct | 4411551225137 |
9 | 1080502345021 |
10 | 310540315231 |
11 | 10a776a04123 |
12 | 502273a66a7 |
13 | 2338c748323 |
14 | 1105cd52b5d |
15 | 8127bea3c1 |
hex | 484da52a5f |
310540315231 has 4 divisors (see below), whose sum is σ = 310584704152. Its totient is φ = 310495926312.
The previous prime is 310540315177. The next prime is 310540315249. The reversal of 310540315231 is 132513045013.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 310540315231 - 29 = 310540314719 is a prime.
It is a super-2 number, since 2×3105403152312 (a number of 24 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 310540315231.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (310540345231) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22183965 + ... + 22197958.
It is an arithmetic number, because the mean of its divisors is an integer number (77646176038).
Almost surely, 2310540315231 is an apocalyptic number.
310540315231 is a deficient number, since it is larger than the sum of its proper divisors (44388921).
310540315231 is an equidigital number, since it uses as much as digits as its factorization.
310540315231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 44388920.
The product of its (nonzero) digits is 5400, while the sum is 28.
The spelling of 310540315231 in words is "three hundred ten billion, five hundred forty million, three hundred fifteen thousand, two hundred thirty-one".
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