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52525000025 = 527619532897
BaseRepresentation
bin110000111010101110…
…111110010101011001
312000120120001110111022
4300322232332111121
51330032400000100
640044001012225
73536422063601
oct607256762531
9160516043438
1052525000025
1120303aa1a33
12a21a624075
134c50c13394
142783c0bc01
1515763ace85
hexc3abbe559

52525000025 has 24 divisors (see below), whose sum is σ = 65307554424. Its totient is φ = 41906278400.

The previous prime is 52525000007. The next prime is 52525000037. The reversal of 52525000025 is 52000052525.

It can be written as a sum of positive squares in 12 ways, for example, as 44328775936 + 8196224089 = 210544^2 + 90533^2 .

It is a de Polignac number, because none of the positive numbers 2k-52525000025 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52524999958 and 52525000003.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18129377 + ... + 18132273.

It is an arithmetic number, because the mean of its divisors is an integer number (2721148101).

Almost surely, 252525000025 is an apocalyptic number.

It is an amenable number.

52525000025 is a deficient number, since it is larger than the sum of its proper divisors (12782554399).

52525000025 is a wasteful number, since it uses less digits than its factorization.

52525000025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4621 (or 4616 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 26.

The spelling of 52525000025 in words is "fifty-two billion, five hundred twenty-five million, twenty-five", and thus it is an aban number.

Divisors: 1 5 25 761 953 2897 3805 4765 14485 19025 23825 72425 725233 2204617 2760841 3626165 11023085 13804205 18130825 55115425 69021025 2101000001 10505000005 52525000025