Base | Representation |
---|---|
bin | 10111010000100110… |
… | …10000101110101011 |
3 | 1012020021001110111011 |
4 | 23220103100232223 |
5 | 201033222013323 |
6 | 5423034044351 |
7 | 621306165340 |
oct | 135023205653 |
9 | 35207043434 |
10 | 12487297963 |
11 | 5328832868 |
12 | 2505b796b7 |
13 | 12400c020a |
14 | 8666287c7 |
15 | 4d142a20d |
hex | 2e84d0bab |
12487297963 has 16 divisors (see below), whose sum is σ = 15479239104. Its totient is φ = 9828080640.
The previous prime is 12487297961. The next prime is 12487297973. The reversal of 12487297963 is 36979278421.
12487297963 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 12487297963 - 21 = 12487297961 is a prime.
It is a super-2 number, since 2×124872979632 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 12487297898 and 12487297907.
It is not an unprimeable number, because it can be changed into a prime (12487297961) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1274820 + ... + 1284577.
It is an arithmetic number, because the mean of its divisors is an integer number (967452444).
Almost surely, 212487297963 is an apocalyptic number.
12487297963 is a deficient number, since it is larger than the sum of its proper divisors (2991941141).
12487297963 is a wasteful number, since it uses less digits than its factorization.
12487297963 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2559462.
The product of its digits is 9144576, while the sum is 58.
The spelling of 12487297963 in words is "twelve billion, four hundred eighty-seven million, two hundred ninety-seven thousand, nine hundred sixty-three".
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