Base | Representation |
---|---|
bin | 11000000001011100… |
… | …01010011011011001 |
3 | 1020021210222122110010 |
4 | 30000232022123121 |
5 | 202403113100400 |
6 | 5531431312133 |
7 | 634412501331 |
oct | 140056123331 |
9 | 36253878403 |
10 | 12897003225 |
11 | 5519027457 |
12 | 25bb21b649 |
13 | 12a6c4c172 |
14 | 8a4bd80c1 |
15 | 5073a9450 |
hex | 300b8a6d9 |
12897003225 has 24 divisors (see below), whose sum is σ = 21684460320. Its totient is φ = 6761816320.
The previous prime is 12897003211. The next prime is 12897003239. The reversal of 12897003225 is 52230079821.
It is an interprime number because it is at equal distance from previous prime (12897003211) and next prime (12897003239).
It is not a de Polignac number, because 12897003225 - 24 = 12897003209 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1452864 + ... + 1461713.
It is an arithmetic number, because the mean of its divisors is an integer number (903519180).
Almost surely, 212897003225 is an apocalyptic number.
12897003225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
12897003225 is a deficient number, since it is larger than the sum of its proper divisors (8787457095).
12897003225 is a wasteful number, since it uses less digits than its factorization.
12897003225 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2914649 (or 2914644 counting only the distinct ones).
The product of its (nonzero) digits is 60480, while the sum is 39.
The spelling of 12897003225 in words is "twelve billion, eight hundred ninety-seven million, three thousand, two hundred twenty-five".
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