Base | Representation |
---|---|
bin | 10001100100111000… |
… | …011011011101111101 |
3 | 1210201020201102000101 |
4 | 101210320123131331 |
5 | 302122312231412 |
6 | 12400404401101 |
7 | 1235450416552 |
oct | 214470333575 |
9 | 53636642011 |
10 | 18872383357 |
11 | 8004a71a43 |
12 | 37a83a6191 |
13 | 1a19ba7a59 |
14 | cb0638a29 |
15 | 756c7c457 |
hex | 464e1b77d |
18872383357 has 8 divisors (see below), whose sum is σ = 18910843200. Its totient is φ = 18833950464.
The previous prime is 18872383319. The next prime is 18872383363. The reversal of 18872383357 is 75338327881.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-18872383357 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 18872383298 and 18872383307.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18872303357) 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, 1936944 + ... + 1946662.
It is an arithmetic number, because the mean of its divisors is an integer number (2363855400).
Almost surely, 218872383357 is an apocalyptic number.
It is an amenable number.
18872383357 is a deficient number, since it is larger than the sum of its proper divisors (38459843).
18872383357 is an equidigital number, since it uses as much as digits as its factorization.
18872383357 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13475.
The product of its digits is 6773760, while the sum is 55.
The spelling of 18872383357 in words is "eighteen billion, eight hundred seventy-two million, three hundred eighty-three thousand, three hundred fifty-seven".
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