Base | Representation |
---|---|
bin | 10111111011111101… |
… | …11110100010010011 |
3 | 1020011121120110200120 |
4 | 23331332332202103 |
5 | 202304334014230 |
6 | 5523111121323 |
7 | 633314241354 |
oct | 137576764223 |
9 | 36147513616 |
10 | 12851079315 |
11 | 54a5110108 |
12 | 25a7973243 |
13 | 129a590159 |
14 | 89ca81d2b |
15 | 503337310 |
hex | 2fdfbe893 |
12851079315 has 16 divisors (see below), whose sum is σ = 20753895168. Its totient is φ = 6789852896.
The previous prime is 12851079299. The next prime is 12851079349. The reversal of 12851079315 is 51397015821.
It is a cyclic number.
It is not a de Polignac number, because 12851079315 - 24 = 12851079299 is a prime.
It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4001847 + ... + 4005056.
It is an arithmetic number, because the mean of its divisors is an integer number (1297118448).
Almost surely, 212851079315 is an apocalyptic number.
12851079315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
12851079315 is a deficient number, since it is larger than the sum of its proper divisors (7902815853).
12851079315 is a wasteful number, since it uses less digits than its factorization.
12851079315 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8007018.
The product of its (nonzero) digits is 75600, while the sum is 42.
The spelling of 12851079315 in words is "twelve billion, eight hundred fifty-one million, seventy-nine thousand, three hundred fifteen".
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