Base | Representation |
---|---|
bin | 10111001000000010… |
… | …11111011010001101 |
3 | 1012001021000022020001 |
4 | 23210001133122031 |
5 | 200411333440022 |
6 | 5411551524301 |
7 | 616445161216 |
oct | 134401373215 |
9 | 35037008201 |
10 | 12415530637 |
11 | 52a1274a24 |
12 | 24a5b29691 |
13 | 122b283143 |
14 | 85aca640d |
15 | 4c9ea0b27 |
hex | 2e405f68d |
12415530637 has 2 divisors, whose sum is σ = 12415530638. Its totient is φ = 12415530636.
The previous prime is 12415530619. The next prime is 12415530643. The reversal of 12415530637 is 73603551421.
12415530637 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 10156809961 + 2258720676 = 100781^2 + 47526^2 .
It is a cyclic number.
It is not a de Polignac number, because 12415530637 - 219 = 12415006349 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 12415530596 and 12415530605.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12415530697) 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 as a sum of consecutive naturals, namely, 6207765318 + 6207765319.
It is an arithmetic number, because the mean of its divisors is an integer number (6207765319).
Almost surely, 212415530637 is an apocalyptic number.
It is an amenable number.
12415530637 is a deficient number, since it is larger than the sum of its proper divisors (1).
12415530637 is an equidigital number, since it uses as much as digits as its factorization.
12415530637 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 75600, while the sum is 37.
The spelling of 12415530637 in words is "twelve billion, four hundred fifteen million, five hundred thirty thousand, six hundred thirty-seven".
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