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18094485708 = 22321393741263
BaseRepresentation
bin10000110110100000…
…111111000011001100
31201201000222010001100
4100312200333003030
5244024142020313
612151255343100
71210253406435
oct206640770314
951630863040
1018094485708
117745957a22
12360b981a90
1319249931a0
14c391c448c
1570d81e173
hex43683f0cc

18094485708 has 72 divisors (see below), whose sum is σ = 49310975168. Its totient is φ = 5561457408.

The previous prime is 18094485637. The next prime is 18094485713. The reversal of 18094485708 is 80758449081.

18094485708 is a `hidden beast` number, since 1 + 8 + 0 + 94 + 485 + 70 + 8 = 666.

It is a super-2 number, since 2×180944857082 (a number of 21 digits) contains 22 as substring.

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, 417885 + ... + 459147.

Almost surely, 218094485708 is an apocalyptic number.

18094485708 is a gapful number since it is divisible by the number (18) 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 18094485708, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24655487584).

18094485708 is an abundant number, since it is smaller than the sum of its proper divisors (31216489460).

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

18094485708 is a wasteful number, since it uses less digits than its factorization.

18094485708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42223 (or 42218 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 54.

The spelling of 18094485708 in words is "eighteen billion, ninety-four million, four hundred eighty-five thousand, seven hundred eight".

Divisors: 1 2 3 4 6 9 12 13 18 26 36 39 52 78 117 156 234 468 937 1874 2811 3748 5622 8433 11244 12181 16866 24362 33732 36543 41263 48724 73086 82526 109629 123789 146172 165052 219258 247578 371367 438516 495156 536419 742734 1072838 1485468 1609257 2145676 3218514 4827771 6437028 9655542 19311084 38663431 77326862 115990293 154653724 231980586 347970879 463961172 502624603 695941758 1005249206 1391883516 1507873809 2010498412 3015747618 4523621427 6031495236 9047242854 18094485708