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8069068800 = 211335213449
BaseRepresentation
bin1111000001111010…
…00011100000000000
3202211100101011111000
413200331003200000
5113011140200200
63412404052000
7403646644632
oct74075034000
922740334430
108069068800
113470862901
121692394000
139b7946b30
14567926a52
153235e0300
hex1e0f43800

8069068800 has 576 divisors, whose sum is σ = 31990140000. Its totient is φ = 1981808640.

The previous prime is 8069068757. The next prime is 8069068807. The reversal of 8069068800 is 88609608.

It is a tau number, because it is divible by the number of its divisors (576).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8069068807) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17970976 + ... + 17971424.

Almost surely, 28069068800 is an apocalyptic number.

8069068800 is a gapful number since it is divisible by the number (80) 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 8069068800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15995070000).

8069068800 is an abundant number, since it is smaller than the sum of its proper divisors (23921071200).

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

8069068800 is a wasteful number, since it uses less digits than its factorization.

8069068800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503 (or 472 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The square root of 8069068800 is about 89827.9956361044. The cubic root of 8069068800 is about 2005.7392480952.

The spelling of 8069068800 in words is "eight billion, sixty-nine million, sixty-eight thousand, eight hundred".