Base | Representation |
---|---|
bin | 1000001101000110010101… |
… | …10001000101000111111111 |
3 | 2100212211020102202001122022 |
4 | 10012203022301011013333 |
5 | 4331101024203210004 |
6 | 102212300224110355 |
7 | 3541340063631314 |
oct | 406431261050777 |
9 | 70784212661568 |
10 | 18042264506879 |
11 | 5826754a53888 |
12 | 2034865a653bb |
13 | a0b4bbccaa22 |
14 | 465370a08d0b |
15 | 2144c25a02be |
hex | 1068cac451ff |
18042264506879 has 16 divisors (see below), whose sum is σ = 18459190764000. Its totient is φ = 17631003134976.
The previous prime is 18042264506873. The next prime is 18042264506969. The reversal of 18042264506879 is 97860546224081.
It is a cyclic number.
It is not a de Polignac number, because 18042264506879 - 24 = 18042264506863 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 (18042264506873) 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, 939692 + ... + 6080094.
It is an arithmetic number, because the mean of its divisors is an integer number (1153699422750).
Almost surely, 218042264506879 is an apocalyptic number.
18042264506879 is a deficient number, since it is larger than the sum of its proper divisors (416926257121).
18042264506879 is a wasteful number, since it uses less digits than its factorization.
18042264506879 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5140954.
The product of its (nonzero) digits is 46448640, while the sum is 62.
The spelling of 18042264506879 in words is "eighteen trillion, forty-two billion, two hundred sixty-four million, five hundred six thousand, eight hundred seventy-nine".
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