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18530066760 = 2335154417223
BaseRepresentation
bin10001010000011110…
…100110000101001000
31202211101120220220220
4101100132212011020
5300422144114020
612302415350040
71224122653152
oct212036460510
952741526826
1018530066760
117949815467
123711822320
131993cb1b5a
14c7adabad2
15736bb0240
hex4507a6148

18530066760 has 32 divisors (see below), whose sum is σ = 55590200640. Its totient is φ = 4941351104.

The previous prime is 18530066743. The next prime is 18530066761. The reversal of 18530066760 is 6766003581.

It is not an unprimeable number, because it can be changed into a prime (18530066761) by changing a digit.

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, 77208492 + ... + 77208731.

It is an arithmetic number, because the mean of its divisors is an integer number (1737193770).

Almost surely, 218530066760 is an apocalyptic number.

18530066760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18530066760 is an abundant number, since it is smaller than the sum of its proper divisors (37060133880).

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

18530066760 is a wasteful number, since it uses less digits than its factorization.

18530066760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154417237 (or 154417233 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 42.

The spelling of 18530066760 in words is "eighteen billion, five hundred thirty million, sixty-six thousand, seven hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 154417223 308834446 463251669 617668892 772086115 926503338 1235337784 1544172230 1853006676 2316258345 3088344460 3706013352 4632516690 6176688920 9265033380 18530066760