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2315749322525 = 5292629972901
BaseRepresentation
bin100001101100101101011…
…010100110111100011101
322012101100112220100122212
4201230231122212330131
5300420123311310100
64531501320450205
7326210266314542
oct41545532467435
98171315810585
102315749322525
11813116137211
12314983919965
1313a4b322a322
148012354cbc9
1540388167635
hex21b2d6a6f1d

2315749322525 has 6 divisors (see below), whose sum is σ = 2871529159962. Its totient is φ = 1852599458000.

The previous prime is 2315749322483. The next prime is 2315749322527. The reversal of 2315749322525 is 5252239475132.

It can be written as a sum of positive squares in 3 ways, for example, as 361241869156 + 1954507453369 = 601034^2 + 1398037^2 .

It is not a de Polignac number, because 2315749322525 - 214 = 2315749306141 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2315749322527) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 46314986426 + ... + 46314986475.

It is an arithmetic number, because the mean of its divisors is an integer number (478588193327).

Almost surely, 22315749322525 is an apocalyptic number.

2315749322525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2315749322525 is a deficient number, since it is larger than the sum of its proper divisors (555779837437).

2315749322525 is an equidigital number, since it uses as much as digits as its factorization.

2315749322525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92629972911 (or 92629972906 counting only the distinct ones).

The product of its digits is 4536000, while the sum is 50.

The spelling of 2315749322525 in words is "two trillion, three hundred fifteen billion, seven hundred forty-nine million, three hundred twenty-two thousand, five hundred twenty-five".

Divisors: 1 5 25 92629972901 463149864505 2315749322525