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2531410065 = 32556253557
BaseRepresentation
bin1001011011100010…
…0100000010010001
320112102021221210100
42112320210002101
520141020110230
61055104523013
7116505426162
oct22670440221
96472257710
102531410065
111089a07938
125a7920469
133145a91a2
141a02a9769
15ec382660
hex96e24091

2531410065 has 12 divisors (see below), whose sum is σ = 4387777524. Its totient is φ = 1350085344.

The previous prime is 2531410051. The next prime is 2531410081. The reversal of 2531410065 is 5600141352.

It can be written as a sum of positive squares in 2 ways, for example, as 499924881 + 2031485184 = 22359^2 + 45072^2 .

It is not a de Polignac number, because 2531410065 - 229 = 1994539153 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28126734 + ... + 28126823.

It is an arithmetic number, because the mean of its divisors is an integer number (365648127).

Almost surely, 22531410065 is an apocalyptic number.

It is an amenable number.

2531410065 is a deficient number, since it is larger than the sum of its proper divisors (1856367459).

2531410065 is a wasteful number, since it uses less digits than its factorization.

2531410065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56253568 (or 56253565 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 2531410065 is about 50313.1202073574. The cubic root of 2531410065 is about 1362.8691706762.

The spelling of 2531410065 in words is "two billion, five hundred thirty-one million, four hundred ten thousand, sixty-five".

Divisors: 1 3 5 9 15 45 56253557 168760671 281267785 506282013 843803355 2531410065