Base | Representation |
---|---|
bin | 11000000010001010… |
… | …11011011100101010 |
3 | 1020022020110111201221 |
4 | 30001011123130222 |
5 | 202411143233000 |
6 | 5532210132254 |
7 | 634515362623 |
oct | 140105333452 |
9 | 36266414657 |
10 | 12903102250 |
11 | 5521512775 |
12 | 260128108a |
13 | 12a82a625c |
14 | 8a5944a4a |
15 | 507bb161a |
hex | 30115b72a |
12903102250 has 16 divisors (see below), whose sum is σ = 24154607880. Its totient is φ = 5161240800.
The previous prime is 12903102239. The next prime is 12903102299. The reversal of 12903102250 is 5220130921.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 4781307609 + 8121794641 = 69147^2 + 90121^2 .
It is a Harshad number since it is a multiple of its sum of digits (25).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25805955 + ... + 25806454.
Almost surely, 212903102250 is an apocalyptic number.
12903102250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12903102250 is a deficient number, since it is larger than the sum of its proper divisors (11251505630).
12903102250 is an equidigital number, since it uses as much as digits as its factorization.
12903102250 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 51612426 (or 51612416 counting only the distinct ones).
The product of its (nonzero) digits is 1080, while the sum is 25.
The spelling of 12903102250 in words is "twelve billion, nine hundred three million, one hundred two thousand, two hundred fifty".
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