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28295176000 = 265371338867
BaseRepresentation
bin11010010110100001…
…100001111101000000
32201000221100212111111
4122112201201331000
5430422031113000
620555411453104
72021116012330
oct322641417500
981027325444
1028295176000
1110aaa986583
125597bb7194
13288c119bc0
141525c690c0
15b09120cba
hex696861f40

28295176000 has 224 divisors, whose sum is σ = 86245915392. Its totient is φ = 8954726400.

The previous prime is 28295175919. The next prime is 28295176027. The reversal of 28295176000 is 67159282.

It is a tau number, because it is divible by the number of its divisors (224).

It is a Harshad number since it is a multiple of its sum of digits (40).

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, 708567 + ... + 747433.

It is an arithmetic number, because the mean of its divisors is an integer number (385026408).

Almost surely, 228295176000 is an apocalyptic number.

28295176000 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 28295176000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43122957696).

28295176000 is an abundant number, since it is smaller than the sum of its proper divisors (57950739392).

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

28295176000 is a wasteful number, since it uses less digits than its factorization.

28295176000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38914 (or 38894 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 40.

The spelling of 28295176000 in words is "twenty-eight billion, two hundred ninety-five million, one hundred seventy-six thousand".