Base | Representation |
---|---|
bin | 10001011011001110… |
… | …001000000111001110 |
3 | 1210021221201200012020 |
4 | 101123032020013032 |
5 | 301304314032321 |
6 | 12332334351010 |
7 | 1231441626633 |
oct | 213316100716 |
9 | 53257650166 |
10 | 18710299086 |
11 | 7a315266a6 |
12 | 376205b466 |
13 | 19c24376bb |
14 | c96cc618a |
15 | 7479124c6 |
hex | 45b3881ce |
18710299086 has 16 divisors (see below), whose sum is σ = 37791100368. Its totient is φ = 6175016000.
The previous prime is 18710299079. The next prime is 18710299087. The reversal of 18710299086 is 68099201781.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18710299087) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15436935 + ... + 15438146.
It is an arithmetic number, because the mean of its divisors is an integer number (2361943773).
Almost surely, 218710299086 is an apocalyptic number.
18710299086 is an abundant number, since it is smaller than the sum of its proper divisors (19080801282).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18710299086 is a wasteful number, since it uses less digits than its factorization.
18710299086 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30875187.
The product of its (nonzero) digits is 435456, while the sum is 51.
The spelling of 18710299086 in words is "eighteen billion, seven hundred ten million, two hundred ninety-nine thousand, eighty-six".
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