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3107806025 = 52294286629
BaseRepresentation
bin1011100100111101…
…0101101101001001
322000120212220101212
42321033111231021
522331044243100
61232215022505
7140004625652
oct27117255511
98016786355
103107806025
111355303735
1272896aa35
133a6b2c09c
14216a6a529
15132c8b635
hexb93d5b49

3107806025 has 12 divisors (see below), whose sum is σ = 3986565900. Its totient is φ = 2400511680.

The previous prime is 3107806007. The next prime is 3107806067. The reversal of 3107806025 is 5206087013.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 704159296 + 2403646729 = 26536^2 + 49027^2 .

It is a de Polignac number, because none of the positive numbers 2k-3107806025 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3107805982 and 3107806000.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2142590 + ... + 2144039.

It is an arithmetic number, because the mean of its divisors is an integer number (332213825).

Almost surely, 23107806025 is an apocalyptic number.

It is an amenable number.

3107806025 is a deficient number, since it is larger than the sum of its proper divisors (878759875).

3107806025 is a wasteful number, since it uses less digits than its factorization.

3107806025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4286668 (or 4286663 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 3107806025 is about 55747.6997283296. The cubic root of 3107806025 is about 1459.3225769876.

The spelling of 3107806025 in words is "three billion, one hundred seven million, eight hundred six thousand, twenty-five".

Divisors: 1 5 25 29 145 725 4286629 21433145 107165725 124312241 621561205 3107806025