Base | Representation |
---|---|
bin | 10000110111101100… |
… | …011110111100000010 |
3 | 1201202102012121202200 |
4 | 100313230132330002 |
5 | 244044223331442 |
6 | 12153243454030 |
7 | 1210613546364 |
oct | 206754367402 |
9 | 51672177680 |
10 | 18114277122 |
11 | 7756045567 |
12 | 3616527316 |
13 | 1928b02696 |
14 | c3ba96d34 |
15 | 71042d34c |
hex | 437b1ef02 |
18114277122 has 18 divisors (see below), whose sum is σ = 39248837667. Its totient is φ = 6037902036.
The previous prime is 18114277091. The next prime is 18114277123. The reversal of 18114277122 is 22177241181.
It can be written as a sum of positive squares in only one way, i.e., 9057138561 + 9057138561 = 95169^2 + 95169^2 .
It is a tau number, because it is divible by the number of its divisors (18).
It is an ABA number since it can be written as A⋅BA, here for A=2, B=95169.
It is a super-2 number, since 2×181142771222 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (18114277123) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 555153 + ... + 586875.
Almost surely, 218114277122 is an apocalyptic number.
18114277122 is an abundant number, since it is smaller than the sum of its proper divisors (21134560545).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18114277122 is an frugal number, since it uses more digits than its factorization.
18114277122 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 63454 (or 31728 counting only the distinct ones).
The product of its digits is 12544, while the sum is 36.
The spelling of 18114277122 in words is "eighteen billion, one hundred fourteen million, two hundred seventy-seven thousand, one hundred twenty-two".
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