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18415415082 = 233069235847
BaseRepresentation
bin10001001001101001…
…001110111100101010
31202112101212000101110
4101021221032330222
5300203321240312
612243202131150
71221231305541
oct211151167452
952471760343
1018415415082
1178a0026a09
12369b350ab6
13197630b41c
14c69a85158
1572bab443c
hex449a4ef2a

18415415082 has 8 divisors (see below), whose sum is σ = 36830830176. Its totient is φ = 6138471692.

The previous prime is 18415415063. The next prime is 18415415089. The reversal of 18415415082 is 28051451481.

It is a sphenic number, since it is the product of 3 distinct primes.

18415415082 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 18415415082.

It is not an unprimeable number, because it can be changed into a prime (18415415089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1534617918 + ... + 1534617929.

It is an arithmetic number, because the mean of its divisors is an integer number (4603853772).

Almost surely, 218415415082 is an apocalyptic number.

18415415082 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

18415415082 is a wasteful number, since it uses less digits than its factorization.

18415415082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3069235852.

The product of its (nonzero) digits is 51200, while the sum is 39.

The spelling of 18415415082 in words is "eighteen billion, four hundred fifteen million, four hundred fifteen thousand, eighty-two".

Divisors: 1 2 3 6 3069235847 6138471694 9207707541 18415415082