Base | Representation |
---|---|
bin | 10001000000111101… |
… | …011101010001110010 |
3 | 1202011020201000122210 |
4 | 101000331131101302 |
5 | 244404022043324 |
6 | 12220515312550 |
7 | 1214512033536 |
oct | 210075352162 |
9 | 52136630583 |
10 | 18269721714 |
11 | 7825866372 |
12 | 365a5ab756 |
13 | 195208982a |
14 | c5459bbc6 |
15 | 71ddd5d29 |
hex | 440f5d472 |
18269721714 has 16 divisors (see below), whose sum is σ = 36540865152. Its totient is φ = 6089670288.
The previous prime is 18269721703. The next prime is 18269721727. The reversal of 18269721714 is 41712796281.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185767 + ... + 266549.
It is an arithmetic number, because the mean of its divisors is an integer number (2283804072).
Almost surely, 218269721714 is an apocalyptic number.
18269721714 is an abundant number, since it is smaller than the sum of its proper divisors (18271143438).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18269721714 is a wasteful number, since it uses less digits than its factorization.
18269721714 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 118481.
The product of its digits is 338688, while the sum is 48.
The spelling of 18269721714 in words is "eighteen billion, two hundred sixty-nine million, seven hundred twenty-one thousand, seven hundred fourteen".
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