Base | Representation |
---|---|
bin | 10000111100011101… |
… | …100010110100010110 |
3 | 1201221222200111201120 |
4 | 100330131202310112 |
5 | 244230211400214 |
6 | 12205221504410 |
7 | 1212604355463 |
oct | 207435426426 |
9 | 51858614646 |
10 | 18194246934 |
11 | 77971a6016 |
12 | 3639272106 |
13 | 193c5520b6 |
14 | c4855266a |
15 | 717477ea9 |
hex | 43c762d16 |
18194246934 has 36 divisors (see below), whose sum is σ = 37123753716. Its totient is φ = 5944592784.
The previous prime is 18194246891. The next prime is 18194246969. The reversal of 18194246934 is 43964249181.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 17510787 + ... + 17511825.
It is an arithmetic number, because the mean of its divisors is an integer number (1031215381).
Almost surely, 218194246934 is an apocalyptic number.
18194246934 is an abundant number, since it is smaller than the sum of its proper divisors (18929506782).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18194246934 is an frugal number, since it uses more digits than its factorization.
18194246934 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2189 (or 1097 counting only the distinct ones).
The product of its digits is 1492992, while the sum is 51.
The spelling of 18194246934 in words is "eighteen billion, one hundred ninety-four million, two hundred forty-six thousand, nine hundred thirty-four".
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