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18042014850 = 2352332936131
BaseRepresentation
bin10000110011011000…
…110100110010000010
31201120101020022120020
4100303120310302002
5243422223433400
612142142554310
71206045411246
oct206330646202
951511208506
1018042014850
117719279882
1235b6298996
131916b51242
14c32246426
15708e072a0
hex433634c82

18042014850 has 48 divisors (see below), whose sum is σ = 44758876320. Its totient is φ = 4809625600.

The previous prime is 18042014831. The next prime is 18042014869. The reversal of 18042014850 is 5841024081.

It is an interprime number because it is at equal distance from previous prime (18042014831) and next prime (18042014869).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 481285 + ... + 517415.

It is an arithmetic number, because the mean of its divisors is an integer number (932476590).

Almost surely, 218042014850 is an apocalyptic number.

18042014850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18042014850 is an abundant number, since it is smaller than the sum of its proper divisors (26716861470).

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

18042014850 is a wasteful number, since it uses less digits than its factorization.

18042014850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39475 (or 39470 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 33.

The spelling of 18042014850 in words is "eighteen billion, forty-two million, fourteen thousand, eight hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 150 3329 6658 9987 16645 19974 33290 36131 49935 72262 83225 99870 108393 166450 180655 216786 249675 361310 499350 541965 903275 1083930 1806550 2709825 5419650 120280099 240560198 360840297 601400495 721680594 1202800990 1804201485 3007002475 3608402970 6014004950 9021007425 18042014850