Base | Representation |
---|---|
bin | 10001000101010011… |
… | …011010001100001110 |
3 | 1202100022210212102210 |
4 | 101011103122030032 |
5 | 300031200210402 |
6 | 12232041131250 |
7 | 1216355254332 |
oct | 210523321416 |
9 | 52308725383 |
10 | 18342585102 |
11 | 7862a02746 |
12 | 367aa89b26 |
13 | 19641bb76a |
14 | c601277c2 |
15 | 7254ca06c |
hex | 4454da30e |
18342585102 has 32 divisors (see below), whose sum is σ = 37086336000. Its totient is φ = 6047679008.
The previous prime is 18342585101. The next prime is 18342585133. The reversal of 18342585102 is 20158524381.
It is a super-2 number, since 2×183425851022 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18342585101) 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, 170743 + ... + 256589.
It is an arithmetic number, because the mean of its divisors is an integer number (1158948000).
Almost surely, 218342585102 is an apocalyptic number.
18342585102 is an abundant number, since it is smaller than the sum of its proper divisors (18743750898).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18342585102 is a wasteful number, since it uses less digits than its factorization.
18342585102 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 86240.
The product of its (nonzero) digits is 76800, while the sum is 39.
The spelling of 18342585102 in words is "eighteen billion, three hundred forty-two million, five hundred eighty-five thousand, one hundred two".
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