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315125332625 = 532521002661
BaseRepresentation
bin1001001010111101110…
…11101111101010010001
31010010101121220112110202
410211132323233222101
520130334041121000
6400433325304545
731524046063115
oct4453673575221
91103347815422
10315125332625
1111170a0425a4
12510a6a05155
132394061ab7c
1411375c6d745
1582e54cddd5
hex495eeefa91

315125332625 has 8 divisors (see below), whose sum is σ = 393276415272. Its totient is φ = 252100266000.

The previous prime is 315125332583. The next prime is 315125332631. The reversal of 315125332625 is 526233521513.

It can be written as a sum of positive squares in 4 ways, for example, as 53538092689 + 261587239936 = 231383^2 + 511456^2 .

It is not a de Polignac number, because 315125332625 - 214 = 315125316241 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1260501206 + ... + 1260501455.

It is an arithmetic number, because the mean of its divisors is an integer number (49159551909).

Almost surely, 2315125332625 is an apocalyptic number.

It is an amenable number.

315125332625 is a deficient number, since it is larger than the sum of its proper divisors (78151082647).

315125332625 is an equidigital number, since it uses as much as digits as its factorization.

315125332625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2521002676 (or 2521002666 counting only the distinct ones).

The product of its digits is 162000, while the sum is 38.

The spelling of 315125332625 in words is "three hundred fifteen billion, one hundred twenty-five million, three hundred thirty-two thousand, six hundred twenty-five".

Divisors: 1 5 25 125 2521002661 12605013305 63025066525 315125332625