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28796808000 = 263535322639
BaseRepresentation
bin11010110100011011…
…000110101101000000
32202022220021102020110
4122310123012231000
5432433440324000
621121251311320
72036416554312
oct326433065500
982286242213
1028796808000
1111238058084
1256b7bab540
13293c023a7c
1415727277b2
15b381ac850
hex6b46c6b40

28796808000 has 224 divisors, whose sum is σ = 96885434880. Its totient is φ = 7533926400.

The previous prime is 28796807999. The next prime is 28796808041. The reversal of 28796808000 is 80869782.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1260681 + ... + 1283319.

Almost surely, 228796808000 is an apocalyptic number.

28796808000 is a gapful number since it is divisible by the number (20) 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 28796808000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48442717440).

28796808000 is an abundant number, since it is smaller than the sum of its proper divisors (68088626880).

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

28796808000 is a wasteful number, since it uses less digits than its factorization.

28796808000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22722 (or 22702 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 48.

The spelling of 28796808000 in words is "twenty-eight billion, seven hundred ninety-six million, eight hundred eight thousand".