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68242923432 = 23323767433883
BaseRepresentation
bin111111100011100110…
…000101111110101000
320112010222002200221200
4333203212011332220
52104230142022212
651203402404200
74634060164305
oct774346057650
9215128080850
1068242923432
1126a3a395482
1211286500660
136587405988
1434355140ac
151b962356dc
hexfe3985fa8

68242923432 has 192 divisors, whose sum is σ = 193316585280. Its totient is φ = 21727512576.

The previous prime is 68242923403. The next prime is 68242923443. The reversal of 68242923432 is 23432924286.

68242923432 is a `hidden beast` number, since 68 + 242 + 9 + 2 + 343 + 2 = 666.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 77284863 + ... + 77285745.

It is an arithmetic number, because the mean of its divisors is an integer number (1006857215).

Almost surely, 268242923432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68242923432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96658292640).

68242923432 is an abundant number, since it is smaller than the sum of its proper divisors (125073661848).

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

68242923432 is a wasteful number, since it uses less digits than its factorization.

68242923432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1432 (or 1425 counting only the distinct ones).

The product of its digits is 995328, while the sum is 45.

The spelling of 68242923432 in words is "sixty-eight billion, two hundred forty-two million, nine hundred twenty-three thousand, four hundred thirty-two".