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668241060373 = 1775770017417
BaseRepresentation
bin10011011100101100100…
…01010110001000010101
32100212211212110002210201
421232112101112020111
541422024202412443
61230552525020501
766164431202545
oct11562621261025
92325755402721
10668241060373
11238443726257
12a96146b4731
134b026860183
14244b3431325
15125b0d3634d
hex9b96456215

668241060373 has 16 divisors (see below), whose sum is σ = 708680766384. Its totient is φ = 627927552000.

The previous prime is 668241060371. The next prime is 668241060419. The reversal of 668241060373 is 373060142866.

It can be written as a sum of positive squares in 8 ways, for example, as 73710621009 + 594530439364 = 271497^2 + 771058^2 .

It is a cyclic number.

It is not a de Polignac number, because 668241060373 - 21 = 668241060371 is a prime.

It is a super-2 number, since 2×6682410603732 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (668241060371) 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, 90092161 + ... + 90099577.

It is an arithmetic number, because the mean of its divisors is an integer number (44292547899).

Almost surely, 2668241060373 is an apocalyptic number.

It is an amenable number.

668241060373 is a deficient number, since it is larger than the sum of its proper divisors (40439706011).

668241060373 is a wasteful number, since it uses less digits than its factorization.

668241060373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15192.

The product of its (nonzero) digits is 870912, while the sum is 46.

The spelling of 668241060373 in words is "six hundred sixty-eight billion, two hundred forty-one million, sixty thousand, three hundred seventy-three".

Divisors: 1 17 757 7001 7417 12869 119017 126089 5299757 5614669 51926417 90095869 95449373 882749089 39308297669 668241060373