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68276510512 = 247609611701
BaseRepresentation
bin111111100101100110…
…001101111100110000
320112020022022002202121
4333211212031330300
52104312241314022
651211002324024
74634645522650
oct774546157460
9215208262677
1068276510512
1126a573459a1
12112957b9614
1365913655a2
143439b78360
151b9916c2c7
hexfe598df30

68276510512 has 20 divisors (see below), whose sum is σ = 151183702096. Its totient is φ = 29261361600.

The previous prime is 68276510371. The next prime is 68276510531. The reversal of 68276510512 is 21501567286.

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, 304805739 + ... + 304805962.

Almost surely, 268276510512 is an apocalyptic number.

It is an amenable number.

68276510512 is an abundant number, since it is smaller than the sum of its proper divisors (82907191584).

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

68276510512 is a wasteful number, since it uses less digits than its factorization.

68276510512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609611716 (or 609611710 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 43.

The spelling of 68276510512 in words is "sixty-eight billion, two hundred seventy-six million, five hundred ten thousand, five hundred twelve".

Divisors: 1 2 4 7 8 14 16 28 56 112 609611701 1219223402 2438446804 4267281907 4876893608 8534563814 9753787216 17069127628 34138255256 68276510512