Base | Representation |
---|---|
bin | 10111100001100111… |
… | …01011001001100111 |
3 | 1012121012121010001110 |
4 | 23300303223021213 |
5 | 201331240400034 |
6 | 5445133000103 |
7 | 624661222635 |
oct | 136063531147 |
9 | 35535533043 |
10 | 12630012519 |
11 | 53a1349383 |
12 | 2545923033 |
13 | 126383acb7 |
14 | 87b578355 |
15 | 4ddc1ade9 |
hex | 2f0ceb267 |
12630012519 has 16 divisors (see below), whose sum is σ = 18060796800. Its totient is φ = 7826341536.
The previous prime is 12630012509. The next prime is 12630012539. The reversal of 12630012519 is 91521003621.
It is not a de Polignac number, because 12630012519 - 29 = 12630012007 is a prime.
It is a super-2 number, since 2×126300125192 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12630012509) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2087349 + ... + 2093390.
It is an arithmetic number, because the mean of its divisors is an integer number (1128799800).
Almost surely, 212630012519 is an apocalyptic number.
12630012519 is a gapful number since it is divisible by the number (19) formed by its first and last digit.
12630012519 is a deficient number, since it is larger than the sum of its proper divisors (5430784281).
12630012519 is a wasteful number, since it uses less digits than its factorization.
12630012519 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4180814.
The product of its (nonzero) digits is 3240, while the sum is 30.
The spelling of 12630012519 in words is "twelve billion, six hundred thirty million, twelve thousand, five hundred nineteen".
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