Base | Representation |
---|---|
bin | 110001001000… |
… | …110000000010 |
3 | 220020102021022 |
4 | 301020300002 |
5 | 11244142043 |
6 | 1140025442 |
7 | 214325432 |
oct | 61106002 |
9 | 26212238 |
10 | 12880898 |
11 | 72a8678 |
12 | 4392282 |
13 | 288cc44 |
14 | 19d42c2 |
15 | 11e6868 |
hex | c48c02 |
12880898 has 16 divisors (see below), whose sum is σ = 20412000. Its totient is φ = 6079392.
The previous prime is 12880859. The next prime is 12880913. The reversal of 12880898 is 89808821.
It is a Curzon number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15518 + ... + 16326.
It is an arithmetic number, because the mean of its divisors is an integer number (1275750).
Almost surely, 212880898 is an apocalyptic number.
12880898 is a deficient number, since it is larger than the sum of its proper divisors (7531102).
12880898 is a wasteful number, since it uses less digits than its factorization.
12880898 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1249.
The product of its (nonzero) digits is 73728, while the sum is 44.
The square root of 12880898 is about 3588.9967957634. The cubic root of 12880898 is about 234.4131911217.
The spelling of 12880898 in words is "twelve million, eight hundred eighty thousand, eight hundred ninety-eight".
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