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28210896000 = 273353719491
BaseRepresentation
bin11010010001100000…
…000001110010000000
32200211001210000002000
4122101200001302000
5430233442133000
620543201224000
72016043442130
oct322140016200
980731700060
1028210896000
1110a67351791
125573932000
13287781b691
1415189aaac0
15b01a24000
hex691801c80

28210896000 has 1024 divisors, whose sum is σ = 125259264000. Its totient is φ = 6096384000.

The previous prime is 28210895989. The next prime is 28210896029. The reversal of 28210896000 is 69801282.

28210896000 is a `hidden beast` number, since 28 + 21 + 0 + 8 + 9 + 600 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 57455755 + ... + 57456245.

It is an arithmetic number, because the mean of its divisors is an integer number (122323500).

Almost surely, 228210896000 is an apocalyptic number.

28210896000 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 28210896000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62629632000).

28210896000 is an abundant number, since it is smaller than the sum of its proper divisors (97048368000).

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

28210896000 is a wasteful number, since it uses less digits than its factorization.

28210896000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555 (or 527 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The spelling of 28210896000 in words is "twenty-eight billion, two hundred ten million, eight hundred ninety-six thousand".