Base | Representation |
---|---|
bin | 10111110111101100… |
… | …10110101001001010 |
3 | 1020002010011212202122 |
4 | 23323312112221022 |
5 | 202221201424310 |
6 | 5515351331242 |
7 | 632400643451 |
oct | 137366265112 |
9 | 36063155678 |
10 | 12815264330 |
11 | 5486978850 |
12 | 2597980b22 |
13 | 129303045b |
14 | 897ddbb98 |
15 | 500110555 |
hex | 2fbd96a4a |
12815264330 has 64 divisors (see below), whose sum is σ = 25696258560. Its totient is φ = 4562280000.
The previous prime is 12815264317. The next prime is 12815264333. The reversal of 12815264330 is 3346251821.
It is not an unprimeable number, because it can be changed into a prime (12815264333) 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, 1625057 + ... + 1632923.
It is an arithmetic number, because the mean of its divisors is an integer number (401504040).
Almost surely, 212815264330 is an apocalyptic number.
12815264330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12815264330 is an abundant number, since it is smaller than the sum of its proper divisors (12880994230).
12815264330 is a wasteful number, since it uses less digits than its factorization.
12815264330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8195.
The product of its (nonzero) digits is 34560, while the sum is 35.
The spelling of 12815264330 in words is "twelve billion, eight hundred fifteen million, two hundred sixty-four thousand, three hundred thirty".
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