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2551013525 = 52102040541
BaseRepresentation
bin1001100000001101…
…0110000010010101
320120210011220200102
42120003112002111
520211024413100
61101045023445
7120134154134
oct23003260225
96523156612
102551013525
111099a87245
125b23b4b85
13318680c78
141a2b2d91b
15ede55cd5
hex980d6095

2551013525 has 6 divisors (see below), whose sum is σ = 3163256802. Its totient is φ = 2040810800.

The previous prime is 2551013477. The next prime is 2551013537. The reversal of 2551013525 is 5253101552.

It can be written as a sum of positive squares in 3 ways, for example, as 98585041 + 2452428484 = 9929^2 + 49522^2 .

It is not a de Polignac number, because 2551013525 - 230 = 1477271701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 51020246 + ... + 51020295.

It is an arithmetic number, because the mean of its divisors is an integer number (527209467).

Almost surely, 22551013525 is an apocalyptic number.

2551013525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2551013525 is a deficient number, since it is larger than the sum of its proper divisors (612243277).

2551013525 is a wasteful number, since it uses less digits than its factorization.

2551013525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102040551 (or 102040546 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 29.

The square root of 2551013525 is about 50507.5590877247. The cubic root of 2551013525 is about 1366.3781873432.

The spelling of 2551013525 in words is "two billion, five hundred fifty-one million, thirteen thousand, five hundred twenty-five".

Divisors: 1 5 25 102040541 510202705 2551013525