Base | Representation |
---|---|
bin | 10001000110101001… |
… | …011001110000010100 |
3 | 1202101220020011001211 |
4 | 101012221121300110 |
5 | 300102433041300 |
6 | 12234204231204 |
7 | 1220051003233 |
oct | 210651316024 |
9 | 52356204054 |
10 | 18365127700 |
11 | 78746aa297 |
12 | 368653b504 |
13 | 1968a8228a |
14 | c63114b1a |
15 | 72747e4ba |
hex | 446a59c14 |
18365127700 has 36 divisors (see below), whose sum is σ = 39996258652. Its totient is φ = 7319520000.
The previous prime is 18365127619. The next prime is 18365127701. The reversal of 18365127700 is 772156381.
It can be written as a sum of positive squares in 6 ways, for example, as 387144976 + 17977982724 = 19676^2 + 134082^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18365127701) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 303801 + ... + 359200.
Almost surely, 218365127700 is an apocalyptic number.
18365127700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
18365127700 is an abundant number, since it is smaller than the sum of its proper divisors (21631130952).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18365127700 is a wasteful number, since it uses less digits than its factorization.
18365127700 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 663292 (or 663285 counting only the distinct ones).
The product of its (nonzero) digits is 70560, while the sum is 40.
The spelling of 18365127700 in words is "eighteen billion, three hundred sixty-five million, one hundred twenty-seven thousand, seven hundred".
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