Base | Representation |
---|---|
bin | 1001010111001110… |
… | …0000000011010100 |
3 | 20111011020011102110 |
4 | 2111303200003110 |
5 | 20121401241222 |
6 | 1053220511020 |
7 | 116165514123 |
oct | 22563400324 |
9 | 6434204373 |
10 | 2513305812 |
11 | 107a771946 |
12 | 5a184b470 |
13 | 31090a904 |
14 | 19bb15aba |
15 | ea9a830c |
hex | 95ce00d4 |
2513305812 has 24 divisors (see below), whose sum is σ = 5873691712. Its totient is φ = 836438400.
The previous prime is 2513305801. The next prime is 2513305813. The reversal of 2513305812 is 2185033152.
It is a super-2 number, since 2×25133058122 = 12633412209265958688, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 2513305812.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2513305813) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158389 + ... + 173532.
Almost surely, 22513305812 is an apocalyptic number.
It is an amenable number.
2513305812 is an abundant number, since it is smaller than the sum of its proper divisors (3360385900).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2513305812 is a wasteful number, since it uses less digits than its factorization.
2513305812 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 332559 (or 332557 counting only the distinct ones).
The product of its (nonzero) digits is 7200, while the sum is 30.
The square root of 2513305812 is about 50132.8815449501. The cubic root of 2513305812 is about 1359.6123844895.
Adding to 2513305812 its reverse (2185033152), we get a palindrome (4698338964).
The spelling of 2513305812 in words is "two billion, five hundred thirteen million, three hundred five thousand, eight hundred twelve".
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