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68276853766 = 2113103493353
BaseRepresentation
bin111111100101100111…
…100001110000000110
320112020022221112121201
4333211213201300012
52104312333310031
651211013533114
74634651452462
oct774547416006
9215208845551
1068276853766
1126a5755a880
121129594419a
1365914558b4
143439c274a2
151b991d8d61
hexfe59e1c06

68276853766 has 8 divisors (see below), whose sum is σ = 111725760744. Its totient is φ = 31034933520.

The previous prime is 68276853763. The next prime is 68276853833. The reversal of 68276853766 is 66735867286.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 68276853698 and 68276853707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68276853763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1551746655 + ... + 1551746698.

It is an arithmetic number, because the mean of its divisors is an integer number (13965720093).

Almost surely, 268276853766 is an apocalyptic number.

68276853766 is a deficient number, since it is larger than the sum of its proper divisors (43448906978).

68276853766 is a wasteful number, since it uses less digits than its factorization.

68276853766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3103493366.

The product of its digits is 121927680, while the sum is 64.

The spelling of 68276853766 in words is "sixty-eight billion, two hundred seventy-six million, eight hundred fifty-three thousand, seven hundred sixty-six".

Divisors: 1 2 11 22 3103493353 6206986706 34138426883 68276853766