Base | Representation |
---|---|
bin | 110001011001… |
… | …110111001110 |
3 | 220100222102022 |
4 | 301121313032 |
5 | 11303412430 |
6 | 1141330142 |
7 | 215036663 |
oct | 61316716 |
9 | 26328368 |
10 | 12950990 |
11 | 73462a8 |
12 | 4406952 |
13 | 28b5b10 |
14 | 1a11a6a |
15 | 120c4e5 |
hex | c59dce |
12950990 has 16 divisors (see below), whose sum is σ = 25105248. Its totient is φ = 4781856.
The previous prime is 12950947. The next prime is 12951007. The reversal of 12950990 is 9905921.
It is a self number, because there is not a number n which added to its sum of digits gives 12950990.
It is a congruent number.
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, 49682 + ... + 49941.
It is an arithmetic number, because the mean of its divisors is an integer number (1569078).
Almost surely, 212950990 is an apocalyptic number.
12950990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12950990 is a deficient number, since it is larger than the sum of its proper divisors (12154258).
12950990 is a wasteful number, since it uses less digits than its factorization.
12950990 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 99643.
The product of its (nonzero) digits is 7290, while the sum is 35.
The square root of 12950990 is about 3598.7483935391. The cubic root of 12950990 is about 234.8376122746.
The spelling of 12950990 in words is "twelve million, nine hundred fifty thousand, nine hundred ninety".
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