Base | Representation |
---|---|
bin | 1000100010110011100110… |
… | …00000111000100000101110 |
3 | 2110112010102010222022002120 |
4 | 10101121303000320200232 |
5 | 4430311030320022024 |
6 | 103543050330133410 |
7 | 3646253020542600 |
oct | 421316300704056 |
9 | 73463363868076 |
10 | 18788116564014 |
11 | 5a93aa4aa4676 |
12 | 213531a281266 |
13 | a63933a57505 |
14 | 48d4c77b9170 |
15 | 228ac6ca2479 |
hex | 11167303882e |
18788116564014 has 96 divisors (see below), whose sum is σ = 45613798997760. Its totient is φ = 5134394377728.
The previous prime is 18788116563961. The next prime is 18788116564033. The reversal of 18788116564014 is 41046561188781.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 175007757 + ... + 175115079.
It is an arithmetic number, because the mean of its divisors is an integer number (475143739560).
Almost surely, 218788116564014 is an apocalyptic number.
18788116564014 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
18788116564014 is an abundant number, since it is smaller than the sum of its proper divisors (26825682433746).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18788116564014 is a wasteful number, since it uses less digits than its factorization.
18788116564014 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 133254 (or 133247 counting only the distinct ones).
The product of its (nonzero) digits is 10321920, while the sum is 60.
The spelling of 18788116564014 in words is "eighteen trillion, seven hundred eighty-eight billion, one hundred sixteen million, five hundred sixty-four thousand, fourteen".
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