Base | Representation |
---|---|
bin | 10111001111111100… |
… | …10110110111001111 |
3 | 1012012212202001110220 |
4 | 23213332112313033 |
5 | 201030321134223 |
6 | 5422320402423 |
7 | 621211463061 |
oct | 134776266717 |
9 | 35185661426 |
10 | 12481818063 |
11 | 532572a720 |
12 | 2504176413 |
13 | 123bc21b80 |
14 | 8659dd731 |
15 | 4d0be66e3 |
hex | 2e7f96dcf |
12481818063 has 32 divisors (see below), whose sum is σ = 19799485440. Its totient is φ = 6894426240.
The previous prime is 12481818061. The next prime is 12481818079. The reversal of 12481818063 is 36081818421.
It is not a de Polignac number, because 12481818063 - 21 = 12481818061 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12481818061) 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, 150256 + ... + 218037.
It is an arithmetic number, because the mean of its divisors is an integer number (618733920).
Almost surely, 212481818063 is an apocalyptic number.
12481818063 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
12481818063 is a deficient number, since it is larger than the sum of its proper divisors (7317667377).
12481818063 is a wasteful number, since it uses less digits than its factorization.
12481818063 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 368399.
The product of its (nonzero) digits is 73728, while the sum is 42.
The spelling of 12481818063 in words is "twelve billion, four hundred eighty-one million, eight hundred eighteen thousand, sixty-three".
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