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68922910800 = 24335213214831
BaseRepresentation
bin100000000110000100…
…0000010100001010000
320120220100121122021000
41000030020002201100
52112123231121200
651355053102000
74656655034622
oct1001410024120
9216810548230
1068922910800
1127259206007
1211436187900
136665258c73
14349b95cc12
151bd5ca3300
hex100c202850

68922910800 has 240 divisors, whose sum is σ = 245551029760. Its totient is φ = 18361728000.

The previous prime is 68922910769. The next prime is 68922910829. The reversal of 68922910800 is 801922986.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

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, 14264385 + ... + 14269215.

Almost surely, 268922910800 is an apocalyptic number.

68922910800 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68922910800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122775514880).

68922910800 is an abundant number, since it is smaller than the sum of its proper divisors (176628118960).

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

68922910800 is a wasteful number, since it uses less digits than its factorization.

68922910800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6179 (or 6162 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The spelling of 68922910800 in words is "sixty-eight billion, nine hundred twenty-two million, nine hundred ten thousand, eight hundred".