Base | Representation |
---|---|
bin | 10111010010101111… |
… | …01111101101000110 |
3 | 1012021111211112220202 |
4 | 23221113233231012 |
5 | 201102321010010 |
6 | 5424514530502 |
7 | 621614606435 |
oct | 135127575506 |
9 | 35244745822 |
10 | 12505250630 |
11 | 5337984984 |
12 | 250bb96a32 |
13 | 1243a377b2 |
14 | 868b7d11c |
15 | 4d2cc46a5 |
hex | 2e95efb46 |
12505250630 has 32 divisors (see below), whose sum is σ = 22738510080. Its totient is φ = 4951290240.
The previous prime is 12505250623. The next prime is 12505250657. The reversal of 12505250630 is 3605250521.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 12505250593 and 12505250602.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1212395 + ... + 1222665.
It is an arithmetic number, because the mean of its divisors is an integer number (710578440).
Almost surely, 212505250630 is an apocalyptic number.
12505250630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12505250630 is a deficient number, since it is larger than the sum of its proper divisors (10233259450).
12505250630 is a wasteful number, since it uses less digits than its factorization.
12505250630 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11504.
The product of its (nonzero) digits is 9000, while the sum is 29.
The spelling of 12505250630 in words is "twelve billion, five hundred five million, two hundred fifty thousand, six hundred thirty".
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