Base | Representation |
---|---|
bin | 101111101100… |
… | …011010100010 |
3 | 212112012110121 |
4 | 233230122202 |
5 | 11200041230 |
6 | 1123550454 |
7 | 211161664 |
oct | 57543242 |
9 | 25465417 |
10 | 12502690 |
11 | 706a502 |
12 | 422b42a |
13 | 2789a55 |
14 | 1936534 |
15 | 116e77a |
hex | bec6a2 |
12502690 has 16 divisors (see below), whose sum is σ = 22887360. Its totient is φ = 4916080.
The previous prime is 12502687. The next prime is 12502709. The reversal of 12502690 is 9620521.
It is a super-2 number, since 2×125026902 = 312634514472200, which contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10006 + ... + 11185.
It is an arithmetic number, because the mean of its divisors is an integer number (1430460).
Almost surely, 212502690 is an apocalyptic number.
12502690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12502690 is a deficient number, since it is larger than the sum of its proper divisors (10384670).
12502690 is a wasteful number, since it uses less digits than its factorization.
12502690 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21257.
The product of its (nonzero) digits is 1080, while the sum is 25.
The square root of 12502690 is about 3535.9143089164. The cubic root of 12502690 is about 232.0960883185.
The spelling of 12502690 in words is "twelve million, five hundred two thousand, six hundred ninety".
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