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3123202625 = 5324985621
BaseRepresentation
bin1011101000101000…
…0100101001000001
322001122212010120022
42322022010221001
522344014441000
61233525023225
7140252533004
oct27212045101
98048763508
103123202625
111362a6a3a4
12731b54b15
133aa0900ba
14218b1753b
151342cd585
hexba284a41

3123202625 has 8 divisors (see below), whose sum is σ = 3897757032. Its totient is φ = 2498562000.

The previous prime is 3123202619. The next prime is 3123202657. The reversal of 3123202625 is 5262023213.

It can be written as a sum of positive squares in 4 ways, for example, as 368947264 + 2754255361 = 19208^2 + 52481^2 .

It is not a de Polignac number, because 3123202625 - 24 = 3123202609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3123202594 and 3123202603.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12492686 + ... + 12492935.

It is an arithmetic number, because the mean of its divisors is an integer number (487219629).

Almost surely, 23123202625 is an apocalyptic number.

It is an amenable number.

3123202625 is a deficient number, since it is larger than the sum of its proper divisors (774554407).

3123202625 is an equidigital number, since it uses as much as digits as its factorization.

3123202625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24985636 (or 24985626 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 3123202625 is about 55885.6209145072. The cubic root of 3123202625 is about 1461.7285190105.

Adding to 3123202625 its reverse (5262023213), we get a palindrome (8385225838).

The spelling of 3123202625 in words is "three billion, one hundred twenty-three million, two hundred two thousand, six hundred twenty-five".

Divisors: 1 5 25 125 24985621 124928105 624640525 3123202625