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4988888825 = 52199555553
BaseRepresentation
bin1001010010101110…
…00110011011111001
3110212200110210220012
410221113012123321
540204123420300
62143013111305
7234425566244
oct45127063371
913780423805
104988888825
112130109018
12b72928535
1361676b32b
1435480c25b
151e2eae435
hex1295c66f9

4988888825 has 6 divisors (see below), whose sum is σ = 6186222174. Its totient is φ = 3991111040.

The previous prime is 4988888819. The next prime is 4988888857. The reversal of 4988888825 is 5288888894.

4988888825 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 250493929 + 4738394896 = 15827^2 + 68836^2 .

It is not a de Polignac number, because 4988888825 - 224 = 4972111609 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 99777752 + ... + 99777801.

It is an arithmetic number, because the mean of its divisors is an integer number (1031037029).

Almost surely, 24988888825 is an apocalyptic number.

It is an amenable number.

4988888825 is a deficient number, since it is larger than the sum of its proper divisors (1197333349).

4988888825 is a wasteful number, since it uses less digits than its factorization.

4988888825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199555563 (or 199555558 counting only the distinct ones).

The product of its digits is 94371840, while the sum is 68.

The square root of 4988888825 is about 70632.0665491248. The cubic root of 4988888825 is about 1708.7083511148.

The spelling of 4988888825 in words is "four billion, nine hundred eighty-eight million, eight hundred eighty-eight thousand, eight hundred twenty-five".

Divisors: 1 5 25 199555553 997777765 4988888825