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18290882060 = 2251183140373
BaseRepresentation
bin10001000010001110…
…001011011000001100
31202012201112002012022
4101002032023120030
5244424431211220
612222553025312
71215156634523
oct210216133014
952181462168
1018290882060
1178367a9460
1236656b5238
131956588149
14c573094ba
15720bb5925
hex44238b60c

18290882060 has 24 divisors (see below), whose sum is σ = 41902748496. Its totient is φ = 6651229760.

The previous prime is 18290882053. The next prime is 18290882083. The reversal of 18290882060 is 6028809281.

It is a Harshad number since it is a multiple of its sum of digits (44).

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 7 ways as a sum of consecutive naturals, for example, 41569967 + ... + 41570406.

It is an arithmetic number, because the mean of its divisors is an integer number (1745947854).

Almost surely, 218290882060 is an apocalyptic number.

18290882060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18290882060 is an abundant number, since it is smaller than the sum of its proper divisors (23611866436).

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

18290882060 is a wasteful number, since it uses less digits than its factorization.

18290882060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83140393 (or 83140391 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 44.

The spelling of 18290882060 in words is "eighteen billion, two hundred ninety million, eight hundred eighty-two thousand, sixty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 83140373 166280746 332561492 415701865 831403730 914544103 1662807460 1829088206 3658176412 4572720515 9145441030 18290882060