Base | Representation |
---|---|
bin | 1000100101011110110011… |
… | …10001100011001100000111 |
3 | 2110211220200002120010112122 |
4 | 10102233121301203030013 |
5 | 4433312302414122413 |
6 | 104053211315240155 |
7 | 3656015602601501 |
oct | 422573161431407 |
9 | 73756602503478 |
10 | 18880034910983 |
11 | 6019a83562184 |
12 | 214b0b15a905b |
13 | a6c4c213522c |
14 | 493b27398d71 |
15 | 22b1a6763108 |
hex | 112bd9c63307 |
18880034910983 has 4 divisors (see below), whose sum is σ = 18961065103968. Its totient is φ = 18799004718000.
The previous prime is 18880034910953. The next prime is 18880034911021. The reversal of 18880034910983 is 38901943008881.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-18880034910983 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18880034910953) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40515096143 + ... + 40515096608.
It is an arithmetic number, because the mean of its divisors is an integer number (4740266275992).
Almost surely, 218880034910983 is an apocalyptic number.
18880034910983 is a deficient number, since it is larger than the sum of its proper divisors (81030192985).
18880034910983 is an equidigital number, since it uses as much as digits as its factorization.
18880034910983 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 81030192984.
The product of its (nonzero) digits is 11943936, while the sum is 62.
The spelling of 18880034910983 in words is "eighteen trillion, eight hundred eighty billion, thirty-four million, nine hundred ten thousand, nine hundred eighty-three".
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