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18476149330 = 252696868457
BaseRepresentation
bin10001001101010000…
…111010101001010010
31202200122010122010001
4101031100322221102
5300314343234310
612253212000214
71222566451402
oct211520725122
952618118101
1018476149330
117921339501
1236b776006a
131985a84652
14c73b74802
157320ae93a
hex44d43aa52

18476149330 has 16 divisors (see below), whose sum is σ = 33380705880. Its totient is φ = 7362984832.

The previous prime is 18476149291. The next prime is 18476149333. The reversal of 18476149330 is 3394167481.

It is a Cunningham number, because it is equal to 1359272+1.

It can be written as a sum of positive squares in 4 ways, for example, as 11389371841 + 7086777489 = 106721^2 + 84183^2 .

It is not an unprimeable number, because it can be changed into a prime (18476149333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3431539 + ... + 3436918.

Almost surely, 218476149330 is an apocalyptic number.

18476149330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18476149330 is a deficient number, since it is larger than the sum of its proper divisors (14904556550).

18476149330 is a wasteful number, since it uses less digits than its factorization.

18476149330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6868733.

The product of its (nonzero) digits is 435456, while the sum is 46.

The spelling of 18476149330 in words is "eighteen billion, four hundred seventy-six million, one hundred forty-nine thousand, three hundred thirty".

Divisors: 1 2 5 10 269 538 1345 2690 6868457 13736914 34342285 68684570 1847614933 3695229866 9238074665 18476149330