Base | Representation |
---|---|
bin | 11000000100000001… |
… | …00100100001110110 |
3 | 1020100022122011210202 |
4 | 30002000210201312 |
5 | 202424130342232 |
6 | 5533522320502 |
7 | 635064224114 |
oct | 140200444166 |
9 | 36308564722 |
10 | 12918605942 |
11 | 552a241940 |
12 | 26064b9132 |
13 | 12ab573c38 |
14 | 8a7a1cab4 |
15 | 509225162 |
hex | 302024876 |
12918605942 has 8 divisors (see below), whose sum is σ = 21139537032. Its totient is φ = 5872093600.
The previous prime is 12918605939. The next prime is 12918606007. The reversal of 12918605942 is 24950681921.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 293604659 + ... + 293604702.
It is an arithmetic number, because the mean of its divisors is an integer number (2642442129).
Almost surely, 212918605942 is an apocalyptic number.
12918605942 is a deficient number, since it is larger than the sum of its proper divisors (8220931090).
12918605942 is a wasteful number, since it uses less digits than its factorization.
12918605942 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 587209374.
The product of its (nonzero) digits is 311040, while the sum is 47.
The spelling of 12918605942 in words is "twelve billion, nine hundred eighteen million, six hundred five thousand, nine hundred forty-two".
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