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68750066292 = 22312323464917
BaseRepresentation
bin100000000000111010…
…0101100001001110100
320120110022101020011120
41000001310230021310
52111300004110132
651330000303540
74652455631025
oct1000164541164
9216408336146
1068750066292
112717a690406
12113a8311bb0
1366384bbccb
143482a08c4c
151bc5a1002c
hex1001d2c274

68750066292 has 24 divisors (see below), whose sum is σ = 160430184096. Its totient is φ = 22914779808.

The previous prime is 68750066261. The next prime is 68750066323. The reversal of 68750066292 is 29266005786.

It is an interprime number because it is at equal distance from previous prime (68750066261) and next prime (68750066323).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84583 + ... + 380334.

It is an arithmetic number, because the mean of its divisors is an integer number (6684591004).

Almost surely, 268750066292 is an apocalyptic number.

It is an amenable number.

68750066292 is an abundant number, since it is smaller than the sum of its proper divisors (91680117804).

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

68750066292 is a wasteful number, since it uses less digits than its factorization.

68750066292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477247 (or 477245 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 51.

The spelling of 68750066292 in words is "sixty-eight billion, seven hundred fifty million, sixty-six thousand, two hundred ninety-two".

Divisors: 1 2 3 4 6 12 12323 24646 36969 49292 73938 147876 464917 929834 1394751 1859668 2789502 5579004 5729172191 11458344382 17187516573 22916688764 34375033146 68750066292