Base | Representation |
---|---|
bin | 10001001001011110… |
… | …010000010101100110 |
3 | 1202112012102210122212 |
4 | 101021132100111212 |
5 | 300202102142230 |
6 | 12243020323422 |
7 | 1221164661305 |
oct | 211136202546 |
9 | 52465383585 |
10 | 18412537190 |
11 | 7899440793 |
12 | 369a3a3572 |
13 | 1975841528 |
14 | c6953643c |
15 | 72b6e6895 |
hex | 449790566 |
18412537190 has 8 divisors (see below), whose sum is σ = 33142566960. Its totient is φ = 7365014872.
The previous prime is 18412537163. The next prime is 18412537207. The reversal of 18412537190 is 9173521481.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×184125371902 (a number of 21 digits) contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 920626850 + ... + 920626869.
It is an arithmetic number, because the mean of its divisors is an integer number (4142820870).
Almost surely, 218412537190 is an apocalyptic number.
18412537190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
18412537190 is a deficient number, since it is larger than the sum of its proper divisors (14730029770).
18412537190 is a wasteful number, since it uses less digits than its factorization.
18412537190 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1841253726.
The product of its (nonzero) digits is 60480, while the sum is 41.
The spelling of 18412537190 in words is "eighteen billion, four hundred twelve million, five hundred thirty-seven thousand, one hundred ninety".
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