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18480977000 = 235319972683
BaseRepresentation
bin10001001101100011…
…010101010001101000
31202200222012220102122
4101031203111101220
5300322112231000
612253503250412
71222655466263
oct211543252150
952628186378
1018480977000
117924036612
1236b92a9a08
131986a84b65
14c7466dcda
15732715085
hex44d8d5468

18480977000 has 64 divisors (see below), whose sum is σ = 45521611200. Its totient is φ = 7003310400.

The previous prime is 18480976999. The next prime is 18480977023. The reversal of 18480977000 is 77908481.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 467342 + ... + 505341.

It is an arithmetic number, because the mean of its divisors is an integer number (711275175).

Almost surely, 218480977000 is an apocalyptic number.

18480977000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18480977000 is an abundant number, since it is smaller than the sum of its proper divisors (27040634200).

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

18480977000 is a wasteful number, since it uses less digits than its factorization.

18480977000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972723 (or 972709 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 44.

The spelling of 18480977000 in words is "eighteen billion, four hundred eighty million, nine hundred seventy-seven thousand".

Divisors: 1 2 4 5 8 10 19 20 25 38 40 50 76 95 100 125 152 190 200 250 380 475 500 760 950 1000 1900 2375 3800 4750 9500 19000 972683 1945366 3890732 4863415 7781464 9726830 18480977 19453660 24317075 36961954 38907320 48634150 73923908 92404885 97268300 121585375 147847816 184809770 194536600 243170750 369619540 462024425 486341500 739239080 924048850 972683000 1848097700 2310122125 3696195400 4620244250 9240488500 18480977000