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65318741768 = 2371166406103
BaseRepresentation
bin111100110101010011…
…001110011100001000
320020121011201212211002
4330311103032130020
52032233044214033
650001303154132
74501442100320
oct746523163410
9206534655732
1065318741768
11257797aa515
12107ab145948
13620c649377
143239006280
151a7466b3e8
hexf354ce708

65318741768 has 16 divisors (see below), whose sum is σ = 139968732480. Its totient is φ = 27993746448.

The previous prime is 65318741767. The next prime is 65318741771. The reversal of 65318741768 is 86714781356.

65318741768 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (56), and also a Moran number because the ratio is a prime number: 1166406103 = 65318741768 / (6 + 5 + 3 + 1 + 8 + 7 + 4 + 1 + 7 + 6 + 8).

It is not an unprimeable number, because it can be changed into a prime (65318741767) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 583202996 + ... + 583203107.

It is an arithmetic number, because the mean of its divisors is an integer number (8748045780).

Almost surely, 265318741768 is an apocalyptic number.

It is an amenable number.

65318741768 is an abundant number, since it is smaller than the sum of its proper divisors (74649990712).

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

65318741768 is a wasteful number, since it uses less digits than its factorization.

65318741768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1166406116 (or 1166406112 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 56.

The spelling of 65318741768 in words is "sixty-five billion, three hundred eighteen million, seven hundred forty-one thousand, seven hundred sixty-eight".

Divisors: 1 2 4 7 8 14 28 56 1166406103 2332812206 4665624412 8164842721 9331248824 16329685442 32659370884 65318741768