Base | Representation |
---|---|
bin | 11000000001100100… |
… | …01010011001101111 |
3 | 1020021212221220200100 |
4 | 30000302022121233 |
5 | 202403400123240 |
6 | 5531510002143 |
7 | 634424426154 |
oct | 140062123157 |
9 | 36255856610 |
10 | 12898051695 |
11 | 5519683161 |
12 | 25bb646353 |
13 | 12a7228469 |
14 | 8a4dcc22b |
15 | 507514e30 |
hex | 300c8a66f |
12898051695 has 12 divisors (see below), whose sum is σ = 22356623016. Its totient is φ = 6878960880.
The previous prime is 12898051693. The next prime is 12898051703. The reversal of 12898051695 is 59615089821.
It is not a de Polignac number, because 12898051695 - 21 = 12898051693 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12898051693) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 143311641 + ... + 143311730.
It is an arithmetic number, because the mean of its divisors is an integer number (1863051918).
Almost surely, 212898051695 is an apocalyptic number.
12898051695 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
12898051695 is a deficient number, since it is larger than the sum of its proper divisors (9458571321).
12898051695 is a wasteful number, since it uses less digits than its factorization.
12898051695 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 286623382 (or 286623379 counting only the distinct ones).
The product of its (nonzero) digits is 1555200, while the sum is 54.
The spelling of 12898051695 in words is "twelve billion, eight hundred ninety-eight million, fifty-one thousand, six hundred ninety-five".
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