Base | Representation |
---|---|
bin | 11000011000100100… |
… | …00000111001000000 |
3 | 1020210022221012101200 |
4 | 30030102000321000 |
5 | 203302240410340 |
6 | 10003000301200 |
7 | 642256150041 |
oct | 141422007100 |
9 | 36708835350 |
10 | 13090950720 |
11 | 5608556041 |
12 | 2654171800 |
13 | 13081975b3 |
14 | 8c28828c8 |
15 | 51941a330 |
hex | 30c480e40 |
13090950720 has 84 divisors (see below), whose sum is σ = 45027425820. Its totient is φ = 3490919424.
The previous prime is 13090950707. The next prime is 13090950731. The reversal of 13090950720 is 2705909031.
It can be written as a sum of positive squares in 2 ways, for example, as 1617970176 + 11472980544 = 40224^2 + 107112^2 .
It is a Harshad number since it is a multiple of its sum of digits (36).
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2269855 + ... + 2275614.
Almost surely, 213090950720 is an apocalyptic number.
13090950720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13090950720 is an abundant number, since it is smaller than the sum of its proper divisors (31936475100).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13090950720 is a wasteful number, since it uses less digits than its factorization.
13090950720 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4545492 (or 4545479 counting only the distinct ones).
The product of its (nonzero) digits is 17010, while the sum is 36.
The spelling of 13090950720 in words is "thirteen billion, ninety million, nine hundred fifty thousand, seven hundred twenty".
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