Base | Representation |
---|---|
bin | 10001010100010100… |
… | …001010100000011010 |
3 | 1202222212201111002222 |
4 | 101110110022200122 |
5 | 301040134104432 |
6 | 12313035224042 |
7 | 1225534066646 |
oct | 212424124032 |
9 | 52885644088 |
10 | 18594441242 |
11 | 7982093a13 |
12 | 372b2a8022 |
13 | 19a4430c70 |
14 | c85767c26 |
15 | 73c679112 |
hex | 45450a81a |
18594441242 has 64 divisors (see below), whose sum is σ = 31551617664. Its totient is φ = 8161171200.
The previous prime is 18594441233. The next prime is 18594441253. The reversal of 18594441242 is 24214449581.
It is a junction number, because it is equal to n+sod(n) for n = 18594441193 and 18594441202.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17691617 + ... + 17692667.
It is an arithmetic number, because the mean of its divisors is an integer number (492994026).
Almost surely, 218594441242 is an apocalyptic number.
18594441242 is a deficient number, since it is larger than the sum of its proper divisors (12957176422).
18594441242 is a wasteful number, since it uses less digits than its factorization.
18594441242 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1503.
The product of its digits is 368640, while the sum is 44.
The spelling of 18594441242 in words is "eighteen billion, five hundred ninety-four million, four hundred forty-one thousand, two hundred forty-two".
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