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66660085362 = 23132521338999
BaseRepresentation
bin111110000101010000…
…000010111001110010
320101001122201012022110
4332011100002321302
52043004440212422
650342340550150
74546620243123
oct760520027162
9211048635273
1066660085362
11262a7975842
1210b043b2356
1363944cb5c0
14332520a04a
151b022c660c
hexf85402e72

66660085362 has 32 divisors (see below), whose sum is σ = 143632944000. Its totient is φ = 20502599040.

The previous prime is 66660085361. The next prime is 66660085403. The reversal of 66660085362 is 26358006666.

It is not an unprimeable number, because it can be changed into a prime (66660085361) 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, 27139 + ... + 366137.

It is an arithmetic number, because the mean of its divisors is an integer number (4488529500).

Almost surely, 266660085362 is an apocalyptic number.

66660085362 is an abundant number, since it is smaller than the sum of its proper divisors (76972858638).

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

66660085362 is a wasteful number, since it uses less digits than its factorization.

66660085362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341538.

The product of its (nonzero) digits is 1866240, while the sum is 48.

The spelling of 66660085362 in words is "sixty-six billion, six hundred sixty million, eighty-five thousand, three hundred sixty-two".

Divisors: 1 2 3 6 13 26 39 78 2521 5042 7563 15126 32773 65546 98319 196638 338999 677998 1016997 2033994 4406987 8813974 13220961 26441922 854616479 1709232958 2563849437 5127698874 11110014227 22220028454 33330042681 66660085362