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5287120080 = 2435116771421
BaseRepresentation
bin1001110110010001…
…10000110011010000
3111122110122112021020
410323020300303100
541312000320310
62232345155440
7245006531154
oct47310606320
914573575236
105287120080
112273494630
12103678bb80
1366349a028
14382281064
1520e26e170
hex13b230cd0

5287120080 has 320 divisors, whose sum is σ = 18446247936. Its totient is φ = 1241856000.

The previous prime is 5287120073. The next prime is 5287120117. The reversal of 5287120080 is 800217825.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12558270 + ... + 12558690.

Almost surely, 25287120080 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5287120080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9223123968).

5287120080 is an abundant number, since it is smaller than the sum of its proper divisors (13159127856).

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

5287120080 is a wasteful number, since it uses less digits than its factorization.

5287120080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586 (or 580 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 33.

The square root of 5287120080 is about 72712.5854305842. The cubic root of 5287120080 is about 1742.0999088979.

The spelling of 5287120080 in words is "five billion, two hundred eighty-seven million, one hundred twenty thousand, eighty".