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2315052131225 = 5292602085249
BaseRepresentation
bin100001101100000011110…
…111000010001110011001
322012022112222000100222212
4201230003313002032121
5300412211321144400
64531304213324505
7326154102302051
oct41540367021631
98168488010885
102315052131225
11812898636059
1231480a336735
1313a4019624b2
1480098b06561
1540346d4c335
hex21b03dc2399

2315052131225 has 6 divisors (see below), whose sum is σ = 2870664642750. Its totient is φ = 1852041704960.

The previous prime is 2315052131219. The next prime is 2315052131309. The reversal of 2315052131225 is 5221312505132.

It can be written as a sum of positive squares in 3 ways, for example, as 7654675081 + 2307397456144 = 87491^2 + 1519012^2 .

It is a de Polignac number, because none of the positive numbers 2k-2315052131225 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2315052131191 and 2315052131200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 46301042600 + ... + 46301042649.

It is an arithmetic number, because the mean of its divisors is an integer number (478444107125).

Almost surely, 22315052131225 is an apocalyptic number.

2315052131225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2315052131225 is a deficient number, since it is larger than the sum of its proper divisors (555612511525).

2315052131225 is an equidigital number, since it uses as much as digits as its factorization.

2315052131225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92602085259 (or 92602085254 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

Adding to 2315052131225 its reverse (5221312505132), we get a palindrome (7536364636357).

The spelling of 2315052131225 in words is "two trillion, three hundred fifteen billion, fifty-two million, one hundred thirty-one thousand, two hundred twenty-five".

Divisors: 1 5 25 92602085249 463010426245 2315052131225