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18412537190 = 251841253719
BaseRepresentation
bin10001001001011110…
…010000010101100110
31202112012102210122212
4101021132100111212
5300202102142230
612243020323422
71221164661305
oct211136202546
952465383585
1018412537190
117899440793
12369a3a3572
131975841528
14c6953643c
1572b6e6895
hex449790566

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".

Divisors: 1 2 5 10 1841253719 3682507438 9206268595 18412537190