Base | Representation |
---|---|
bin | 11000000000001110… |
… | …11101101010101111 |
3 | 1020021002220020101102 |
4 | 30000013131222233 |
5 | 202343013432130 |
6 | 5530430033315 |
7 | 634230326534 |
oct | 140007355257 |
9 | 36232806342 |
10 | 12886858415 |
11 | 5513328512 |
12 | 25b794883b |
13 | 12a4b09712 |
14 | 8a3716d8b |
15 | 506553645 |
hex | 3001ddaaf |
12886858415 has 32 divisors (see below), whose sum is σ = 16544088000. Its totient is φ = 9602611200.
The previous prime is 12886858367. The next prime is 12886858423. The reversal of 12886858415 is 51485868821.
12886858415 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 12886858415 - 212 = 12886854319 is a prime.
It is a super-2 number, since 2×128868584152 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
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 31 ways as a sum of consecutive naturals, for example, 4686461 + ... + 4689209.
It is an arithmetic number, because the mean of its divisors is an integer number (517002750).
Almost surely, 212886858415 is an apocalyptic number.
12886858415 is a deficient number, since it is larger than the sum of its proper divisors (3657229585).
12886858415 is a wasteful number, since it uses less digits than its factorization.
12886858415 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3323.
The product of its digits is 4915200, while the sum is 56.
The spelling of 12886858415 in words is "twelve billion, eight hundred eighty-six million, eight hundred fifty-eight thousand, four hundred fifteen".
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