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6665078082 = 2313379225461
BaseRepresentation
bin1100011010100010…
…10000010101000010
3122012111112001021210
412031101100111002
5102122224444312
63021211430550
7324111141345
oct61521202502
918174461253
106665078082
1129102988a3
121360155456
13822acbab0
1447329645c
1529020ce3c
hex18d450542

6665078082 has 32 divisors (see below), whose sum is σ = 14393494080. Its totient is φ = 2045373120.

The previous prime is 6665078053. The next prime is 6665078087. The reversal of 6665078082 is 2808705666.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (6665078087) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83169 + ... + 142292.

It is an arithmetic number, because the mean of its divisors is an integer number (449796690).

Almost surely, 26665078082 is an apocalyptic number.

6665078082 is an abundant number, since it is smaller than the sum of its proper divisors (7728415998).

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

6665078082 is a wasteful number, since it uses less digits than its factorization.

6665078082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225858.

The product of its (nonzero) digits is 967680, while the sum is 48.

The square root of 6665078082 is about 81639.9294585683. The cubic root of 6665078082 is about 1881.9225543459.

The spelling of 6665078082 in words is "six billion, six hundred sixty-five million, seventy-eight thousand, eighty-two".

Divisors: 1 2 3 6 13 26 39 78 379 758 1137 2274 4927 9854 14781 29562 225461 450922 676383 1352766 2930993 5861986 8792979 17585958 85449719 170899438 256349157 512698314 1110846347 2221692694 3332539041 6665078082