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3012505425 = 34525328069
BaseRepresentation
bin1011001110001111…
…0010111101010001
321202221120010120000
42303203302331101
522132200133200
61214532240213
7134436605436
oct26343627521
97687503500
103012505425
111306531a06
12700a70069
133901725b7
1420813db8d
15129714300
hexb38f2f51

3012505425 has 60 divisors (see below), whose sum is σ = 5685690780. Its totient is φ = 1576298880.

The previous prime is 3012505421. The next prime is 3012505511. The reversal of 3012505425 is 5245052103.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 167029776 + 2845475649 = 12924^2 + 53343^2 .

It is not a de Polignac number, because 3012505425 - 22 = 3012505421 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (3012505421) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 93291 + ... + 121359.

It is an arithmetic number, because the mean of its divisors is an integer number (94761513).

Almost surely, 23012505425 is an apocalyptic number.

It is an amenable number.

3012505425 is a deficient number, since it is larger than the sum of its proper divisors (2673185355).

3012505425 is a wasteful number, since it uses less digits than its factorization.

3012505425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28144 (or 28130 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 3012505425 is about 54886.2954206239. The cubic root of 3012505425 is about 1444.2507859646.

Adding to 3012505425 its reverse (5245052103), we get a palindrome (8257557528).

The spelling of 3012505425 in words is "three billion, twelve million, five hundred five thousand, four hundred twenty-five".

Divisors: 1 3 5 9 15 25 27 45 53 75 81 135 159 225 265 405 477 675 795 1325 1431 2025 2385 3975 4293 7155 11925 21465 28069 35775 84207 107325 140345 252621 421035 701725 757863 1263105 1487657 2105175 2273589 3789315 4462971 6315525 7438285 11367945 13388913 18946575 22314855 37191425 40166739 56839725 66944565 111574275 120500217 200833695 334722825 602501085 1004168475 3012505425