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5131523025 = 325222806769
BaseRepresentation
bin1001100011101110…
…01101001111010001
3111020121212101020100
410301313031033101
541002132214100
62205110203013
7241110140346
oct46167151721
914217771210
105131523025
1121a367a222
12bb2653469
1363a18b675
1436973a7cd
15200786400
hex131dcd3d1

5131523025 has 18 divisors (see below), whose sum is σ = 9191128310. Its totient is φ = 2736812160.

The previous prime is 5131523009. The next prime is 5131523039. The reversal of 5131523025 is 5203251315.

It is a happy number.

5131523025 is a `hidden beast` number, since 5 + 131 + 523 + 0 + 2 + 5 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 184932801 + 4946590224 = 13599^2 + 70332^2 .

It is not a de Polignac number, because 5131523025 - 24 = 5131523009 is a prime.

It is a super-2 number, since 2×51315230252 = 52665057112210301250, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5131523025.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 11403160 + ... + 11403609.

Almost surely, 25131523025 is an apocalyptic number.

It is an amenable number.

5131523025 is a deficient number, since it is larger than the sum of its proper divisors (4059605285).

5131523025 is a wasteful number, since it uses less digits than its factorization.

5131523025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22806785 (or 22806777 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 5131523025 is about 71634.6496117626. The cubic root of 5131523025 is about 1724.8397834814.

The spelling of 5131523025 in words is "five billion, one hundred thirty-one million, five hundred twenty-three thousand, twenty-five".

Divisors: 1 3 5 9 15 25 45 75 225 22806769 68420307 114033845 205260921 342101535 570169225 1026304605 1710507675 5131523025