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4881025289 = 72887112303
BaseRepresentation
bin1001000101110111…
…01000100100001001
3110121011111202221102
410202323220210021
534444020302124
62124201151145
7231646013300
oct44273504411
913534452842
104881025289
1120852365a8
12b4278b4b5
135ca30355a
14344371437
151d87a4aae
hex122ee8909

4881025289 has 12 divisors (see below), whose sum is σ = 5684379264. Its totient is φ = 4178982024.

The previous prime is 4881025267. The next prime is 4881025343. The reversal of 4881025289 is 9825201884.

It is not a de Polignac number, because 4881025289 - 224 = 4864248073 is a prime.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4881025249) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12689 + ... + 99614.

It is an arithmetic number, because the mean of its divisors is an integer number (473698272).

Almost surely, 24881025289 is an apocalyptic number.

4881025289 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

4881025289 is a deficient number, since it is larger than the sum of its proper divisors (803353975).

4881025289 is a wasteful number, since it uses less digits than its factorization.

4881025289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113204 (or 113197 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 47.

The square root of 4881025289 is about 69864.3348855480. The cubic root of 4881025289 is about 1696.3039990000.

The spelling of 4881025289 in words is "four billion, eight hundred eighty-one million, twenty-five thousand, two hundred eighty-nine".

Divisors: 1 7 49 887 6209 43463 112303 786121 5502847 99612761 697289327 4881025289