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668007083711 = 11833061239027
BaseRepresentation
bin10011011100010000101…
…00110010111010111111
32100212020120011212011102
421232020110302322333
541421034303134321
61230513410043315
766155560345052
oct11561024627277
92325216155142
10668007083711
11238333647110
12a956a27953b
134acba23ab46
1424490326a99
151259a519c0b
hex9b88532ebf

668007083711 has 16 divisors (see below), whose sum is σ = 737758965888. Its totient is φ = 599764039200.

The previous prime is 668007083707. The next prime is 668007083713. The reversal of 668007083711 is 117380700866.

It is a cyclic number.

It is not a de Polignac number, because 668007083711 - 22 = 668007083707 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (668007083713) 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, 2675180 + ... + 2914206.

It is an arithmetic number, because the mean of its divisors is an integer number (46109935368).

Almost surely, 2668007083711 is an apocalyptic number.

668007083711 is a deficient number, since it is larger than the sum of its proper divisors (69751882177).

668007083711 is a wasteful number, since it uses less digits than its factorization.

668007083711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242182.

The product of its (nonzero) digits is 338688, while the sum is 47.

The spelling of 668007083711 in words is "six hundred sixty-eight billion, seven million, eighty-three thousand, seven hundred eleven".

Divisors: 1 11 83 913 3061 33671 239027 254063 2629297 2794693 19839241 218231651 731661647 8048278117 60727916701 668007083711