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68676482132 = 2229358597681
BaseRepresentation
bin111111111101011011…
…111111010001010100
320120021011220202200022
4333331123333101110
52111122134412012
651314411204312
74650603315656
oct777533772124
9216234822608
1068676482132
11271420a1555
1211387746698
136626196c9b
143476d326d6
151bbe327472
hexffd6ff454

68676482132 has 12 divisors (see below), whose sum is σ = 120594029556. Its totient is φ = 34221045120.

The previous prime is 68676482123. The next prime is 68676482141. The reversal of 68676482132 is 23128467686.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (68676482123) and next prime (68676482141).

It can be written as a sum of positive squares in 2 ways, for example, as 59420887696 + 9255594436 = 243764^2 + 96206^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29297669 + ... + 29300012.

It is an arithmetic number, because the mean of its divisors is an integer number (10049502463).

Almost surely, 268676482132 is an apocalyptic number.

It is an amenable number.

68676482132 is a deficient number, since it is larger than the sum of its proper divisors (51917547424).

68676482132 is a wasteful number, since it uses less digits than its factorization.

68676482132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58597978 (or 58597976 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 53.

The spelling of 68676482132 in words is "sixty-eight billion, six hundred seventy-six million, four hundred eighty-two thousand, one hundred thirty-two".

Divisors: 1 2 4 293 586 1172 58597681 117195362 234390724 17169120533 34338241066 68676482132