Base | Representation |
---|---|
bin | 1000100101011101011010… |
… | …01000001001100000001011 |
3 | 2110211211201220002102021002 |
4 | 10102232231020021200023 |
5 | 4433304234140012423 |
6 | 104053005120405215 |
7 | 3655661206015445 |
oct | 422565510114013 |
9 | 73754656072232 |
10 | 18879285860363 |
11 | 6019729760385 |
12 | 214ab2277680b |
13 | a6c402bb0906 |
14 | 493a95ad3495 |
15 | 22b160b02228 |
hex | 112bad20980b |
18879285860363 has 16 divisors (see below), whose sum is σ = 19696127318784. Its totient is φ = 18079462285920.
The previous prime is 18879285860339. The next prime is 18879285860381. The reversal of 18879285860363 is 36306858297881.
It is a cyclic number.
It is not a de Polignac number, because 18879285860363 - 238 = 18604407953419 is a prime.
It is a super-2 number, since 2×188792858603632 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (18879285863363) 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, 4579445 + ... + 7663542.
It is an arithmetic number, because the mean of its divisors is an integer number (1231007957424).
Almost surely, 218879285860363 is an apocalyptic number.
18879285860363 is a deficient number, since it is larger than the sum of its proper divisors (816841458421).
18879285860363 is a wasteful number, since it uses less digits than its factorization.
18879285860363 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12243682.
The product of its (nonzero) digits is 836075520, while the sum is 74.
The spelling of 18879285860363 in words is "eighteen trillion, eight hundred seventy-nine billion, two hundred eighty-five million, eight hundred sixty thousand, three hundred sixty-three".
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