Base | Representation |
---|---|
bin | 10000110010110101… |
… | …101111001110011101 |
3 | 1201112201221000120002 |
4 | 100302311233032131 |
5 | 243412400121203 |
6 | 12141213504045 |
7 | 1205604262436 |
oct | 206265571635 |
9 | 51481830502 |
10 | 18032817053 |
11 | 7714067399 |
12 | 35b31a2025 |
13 | 1914c80864 |
14 | c30d3048d |
15 | 7081dbd88 |
hex | 432d6f39d |
18032817053 has 16 divisors (see below), whose sum is σ = 18594912000. Its totient is φ = 17479867392.
The previous prime is 18032817037. The next prime is 18032817059. The reversal of 18032817053 is 35071823081.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 18032817053 - 24 = 18032817037 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 18032816998 and 18032817016.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18032817059) 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, 4365293 + ... + 4369421.
It is an arithmetic number, because the mean of its divisors is an integer number (1162182000).
Almost surely, 218032817053 is an apocalyptic number.
It is an amenable number.
18032817053 is a deficient number, since it is larger than the sum of its proper divisors (562094947).
18032817053 is an equidigital number, since it uses as much as digits as its factorization.
18032817053 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5204.
The product of its (nonzero) digits is 40320, while the sum is 38.
The spelling of 18032817053 in words is "eighteen billion, thirty-two million, eight hundred seventeen thousand, fifty-three".
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