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5087681280 = 28355111487
BaseRepresentation
bin1001011110011111…
…11101101100000000
3111010120100222200000
410233033331230000
540404421300110
62200502400000
7240035402013
oct45717755400
914116328600
105087681280
112180955280
12b9ba30000
1363107b2c6
143639a737a
151eb9c61c0
hex12f3fdb00

5087681280 has 432 divisors, whose sum is σ = 19927724544. Its totient is φ = 1232547840.

The previous prime is 5087681279. The next prime is 5087681297. The reversal of 5087681280 is 821867805.

5087681280 is a `hidden beast` number, since 508 + 7 + 68 + 1 + 2 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (432).

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3420697 + ... + 3422183.

It is an arithmetic number, because the mean of its divisors is an integer number (46128992).

Almost surely, 25087681280 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 5087681280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9963862272).

5087681280 is an abundant number, since it is smaller than the sum of its proper divisors (14840043264).

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

5087681280 is a wasteful number, since it uses less digits than its factorization.

5087681280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1534 (or 1508 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 45.

The square root of 5087681280 is about 71327.9838492579. The cubic root of 5087681280 is about 1719.9136066215.

The spelling of 5087681280 in words is "five billion, eighty-seven million, six hundred eighty-one thousand, two hundred eighty".