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4988697120 = 2533511611721
BaseRepresentation
bin1001010010101100…
…10111101000100000
3110212200010001221000
410221112113220200
540204101301440
62143005032000
7234424140321
oct45126275040
913780101830
104988697120
11212aa97a90
12b72855600
13616701cb4
1435479c448
151e2e72730
hex129597a20

4988697120 has 384 divisors, whose sum is σ = 19371260160. Its totient is φ = 1188864000.

The previous prime is 4988697113. The next prime is 4988697121. The reversal of 4988697120 is 217968894.

4988697120 is a `hidden beast` number, since 498 + 8 + 69 + 71 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (4988697121) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2897860 + ... + 2899580.

It is an arithmetic number, because the mean of its divisors is an integer number (50445990).

Almost surely, 24988697120 is an apocalyptic number.

4988697120 is a gapful number since it is divisible by the number (40) 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 4988697120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9685630080).

4988697120 is an abundant number, since it is smaller than the sum of its proper divisors (14382563040).

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

4988697120 is a wasteful number, since it uses less digits than its factorization.

4988697120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1817 (or 1803 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 54.

The square root of 4988697120 is about 70630.7094683325. The cubic root of 4988697120 is about 1708.6864643352.

The spelling of 4988697120 in words is "four billion, nine hundred eighty-eight million, six hundred ninety-seven thousand, one hundred twenty".