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2505116365 = 52801178873
BaseRepresentation
bin1001010101010001…
…0000101011001101
320110120211002121121
42111110100223031
520112302210430
61052325200541
7116036065153
oct22524205315
96416732547
102505116365
111076089004
1259ab60151
1330c00119b
1419a9c33d3
15e9ddba7a
hex95510acd

2505116365 has 8 divisors (see below), whose sum is σ = 3007229688. Its totient is φ = 2003366400.

The previous prime is 2505116363. The next prime is 2505116387. The reversal of 2505116365 is 5636115052.

It can be written as a sum of positive squares in 4 ways, for example, as 3316041 + 2501800324 = 1821^2 + 50018^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2505116365 - 21 = 2505116363 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2505116365.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2505116363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75432 + ... + 103441.

It is an arithmetic number, because the mean of its divisors is an integer number (375903711).

Almost surely, 22505116365 is an apocalyptic number.

It is an amenable number.

2505116365 is a deficient number, since it is larger than the sum of its proper divisors (502113323).

2505116365 is a wasteful number, since it uses less digits than its factorization.

2505116365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181679.

The product of its (nonzero) digits is 27000, while the sum is 34.

The square root of 2505116365 is about 50051.1374995614. The cubic root of 2505116365 is about 1358.1340408265.

The spelling of 2505116365 in words is "two billion, five hundred five million, one hundred sixteen thousand, three hundred sixty-five".

Divisors: 1 5 2801 14005 178873 894365 501023273 2505116365