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2550742825 = 52102029713
BaseRepresentation
bin1001100000001001…
…0011111100101001
320120202200011100111
42120002103330221
520210442232300
61101035134321
7120131646001
oct23002237451
96522604314
102550742825
111099911924
125b22a43a1
133185b79a7
141a2a9d001
15ede009ba
hex98093f29

2550742825 has 6 divisors (see below), whose sum is σ = 3162921134. Its totient is φ = 2040594240.

The previous prime is 2550742823. The next prime is 2550742841. The reversal of 2550742825 is 5282470552.

It can be written as a sum of positive squares in 3 ways, for example, as 896809 + 2549846016 = 947^2 + 50496^2 .

It is not a de Polignac number, because 2550742825 - 21 = 2550742823 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2550742823) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 51014832 + ... + 51014881.

Almost surely, 22550742825 is an apocalyptic number.

2550742825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2550742825 is a deficient number, since it is larger than the sum of its proper divisors (612178309).

2550742825 is a wasteful number, since it uses less digits than its factorization.

2550742825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102029723 (or 102029718 counting only the distinct ones).

The product of its (nonzero) digits is 224000, while the sum is 40.

The square root of 2550742825 is about 50504.8792197348. The cubic root of 2550742825 is about 1366.3298547027.

The spelling of 2550742825 in words is "two billion, five hundred fifty million, seven hundred forty-two thousand, eight hundred twenty-five".

Divisors: 1 5 25 102029713 510148565 2550742825