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18341299860 = 223513236171657
BaseRepresentation
bin10001000101001110…
…100000011010010100
31202100020101120102020
4101011032200122110
5300030333043420
612231553413140
71216341322302
oct210516403224
952306346366
1018341299860
117862205064
12367a56a1b0
131963b5b770
14c5dcb1272
15725324340
hex4453a0694

18341299860 has 192 divisors, whose sum is σ = 57839104512. Its totient is φ = 4308885504.

The previous prime is 18341299853. The next prime is 18341299903. The reversal of 18341299860 is 6899214381.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11068152 + ... + 11069808.

It is an arithmetic number, because the mean of its divisors is an integer number (301245336).

Almost surely, 218341299860 is an apocalyptic number.

18341299860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18341299860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28919552256).

18341299860 is an abundant number, since it is smaller than the sum of its proper divisors (39497804652).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18341299860 is a wasteful number, since it uses less digits than its factorization.

18341299860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2322 (or 2320 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 51.

The spelling of 18341299860 in words is "eighteen billion, three hundred forty-one million, two hundred ninety-nine thousand, eight hundred sixty".