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18482109966 = 2326211165317
BaseRepresentation
bin10001001101100111…
…101001111000001110
31202201001100110120100
4101031213221320032
5300322410004331
612253543431530
71223001225345
oct211547517016
952631313510
1018482109966
11792473a851
1236b97555a6
131987090758
14c74886b5c
1573288aae6
hex44d9e9e0e

18482109966 has 24 divisors (see below), whose sum is σ = 40051261224. Its totient is φ = 6159674160.

The previous prime is 18482109953. The next prime is 18482109967. The reversal of 18482109966 is 66990128481.

18482109966 is a `hidden beast` number, since 1 + 8 + 482 + 10 + 99 + 66 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18482109967) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29140 + ... + 194456.

It is an arithmetic number, because the mean of its divisors is an integer number (1668802551).

Almost surely, 218482109966 is an apocalyptic number.

18482109966 is an abundant number, since it is smaller than the sum of its proper divisors (21569151258).

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

18482109966 is a wasteful number, since it uses less digits than its factorization.

18482109966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171536 (or 171533 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 54.

The spelling of 18482109966 in words is "eighteen billion, four hundred eighty-two million, one hundred nine thousand, nine hundred sixty-six".

Divisors: 1 2 3 6 9 18 6211 12422 18633 37266 55899 111798 165317 330634 495951 991902 1487853 2975706 1026783887 2053567774 3080351661 6160703322 9241054983 18482109966