Base | Representation |
---|---|
bin | 110001100110… |
… | …000100010100 |
3 | 220110111222210 |
4 | 301212010110 |
5 | 11312012410 |
6 | 1142353420 |
7 | 215335506 |
oct | 61460424 |
9 | 26414883 |
10 | 13000980 |
11 | 737a913 |
12 | 442b870 |
13 | 29027b5 |
14 | 1a25d76 |
15 | 121c220 |
hex | c66114 |
13000980 has 48 divisors (see below), whose sum is σ = 37989504. Its totient is φ = 3315840.
The previous prime is 13000979. The next prime is 13000987. The reversal of 13000980 is 8900031.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13000987) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3331 + ... + 6090.
It is an arithmetic number, because the mean of its divisors is an integer number (791448).
Almost surely, 213000980 is an apocalyptic number.
13000980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13000980 is an abundant number, since it is smaller than the sum of its proper divisors (24988524).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13000980 is a wasteful number, since it uses less digits than its factorization.
13000980 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9456 (or 9454 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 21.
The square root of 13000980 is about 3605.6871744509. The cubic root of 13000980 is about 235.1393771056.
The spelling of 13000980 in words is "thirteen million, nine hundred eighty", and thus it is an aban number.
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