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68799210118 = 283911454943
BaseRepresentation
bin100000000010011000…
…0001010001010000110
320120120201211222211021
41000010300022022012
52111400044210433
651334513501354
74653623431342
oct1000460121206
9216521758737
1068799210118
11271a53a6941
121140087185a
1366457377b2
14348935c622
151bc9ebb22d
hex1004c0a286

68799210118 has 16 divisors (see below), whose sum is σ = 104557049856. Its totient is φ = 33947772040.

The previous prime is 68799210061. The next prime is 68799210119. The reversal of 68799210118 is 81101299786.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68799210119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76246 + ... + 378697.

It is an arithmetic number, because the mean of its divisors is an integer number (6534815616).

Almost surely, 268799210118 is an apocalyptic number.

68799210118 is a deficient number, since it is larger than the sum of its proper divisors (35757839738).

68799210118 is a wasteful number, since it uses less digits than its factorization.

68799210118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455939.

The product of its (nonzero) digits is 435456, while the sum is 52.

The spelling of 68799210118 in words is "sixty-eight billion, seven hundred ninety-nine million, two hundred ten thousand, one hundred eighteen".

Divisors: 1 2 83 166 911 1822 75613 151226 454943 909886 37760269 75520538 414453073 828906146 34399605059 68799210118