Base | Representation |
---|---|
bin | 110000100110… |
… | …101111111110 |
3 | 212222100020020 |
4 | 300212233332 |
5 | 11230213010 |
6 | 1133033010 |
7 | 213205416 |
oct | 60465776 |
9 | 25870206 |
10 | 12741630 |
11 | 7212a80 |
12 | 4325766 |
13 | 2841735 |
14 | 1999646 |
15 | 11ba470 |
hex | c26bfe |
12741630 has 32 divisors (see below), whose sum is σ = 33360768. Its totient is φ = 3088800.
The previous prime is 12741613. The next prime is 12741661. The reversal of 12741630 is 3614721.
12741630 = T653 + T654 + ... + T707.
It is an alternating number because its digits alternate between odd and even.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 12741630.
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, 18976 + ... + 19635.
It is an arithmetic number, because the mean of its divisors is an integer number (1042524).
Almost surely, 212741630 is an apocalyptic number.
12741630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12741630 is an abundant number, since it is smaller than the sum of its proper divisors (20619138).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12741630 is a wasteful number, since it uses less digits than its factorization.
12741630 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 38632.
The product of its (nonzero) digits is 1008, while the sum is 24.
The square root of 12741630 is about 3569.5419874264. The cubic root of 12741630 is about 233.5653044541.
The spelling of 12741630 in words is "twelve million, seven hundred forty-one thousand, six hundred thirty".
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