Base | Representation |
---|---|
bin | 110010000010… |
… | …101010000101 |
3 | 220200110122000 |
4 | 302002222011 |
5 | 11324234320 |
6 | 1145055513 |
7 | 216334101 |
oct | 62025205 |
9 | 26613560 |
10 | 13118085 |
11 | 744a8a2 |
12 | 4487599 |
13 | 2943ba6 |
14 | 1a56901 |
15 | 1241c90 |
hex | c82a85 |
13118085 has 16 divisors (see below), whose sum is σ = 23321280. Its totient is φ = 6996240.
The previous prime is 13118069. The next prime is 13118087. The reversal of 13118085 is 58081131.
It is not a de Polignac number, because 13118085 - 24 = 13118069 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13118087) 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, 48451 + ... + 48720.
It is an arithmetic number, because the mean of its divisors is an integer number (1457580).
Almost surely, 213118085 is an apocalyptic number.
13118085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
13118085 is a deficient number, since it is larger than the sum of its proper divisors (10203195).
13118085 is an equidigital number, since it uses as much as digits as its factorization.
13118085 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 97185 (or 97179 counting only the distinct ones).
The product of its (nonzero) digits is 960, while the sum is 27.
The square root of 13118085 is about 3621.8897001427. The cubic root of 13118085 is about 235.8432658923.
The spelling of 13118085 in words is "thirteen million, one hundred eighteen thousand, eighty-five".
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