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52525010525 = 5213161615417
BaseRepresentation
bin110000111010101111…
…000000111001011101
312000120120001222220012
4300322233000321131
51330032400314100
640044001133005
73536422136321
oct607257007135
9160516058805
1052525010525
1120303aa9909
12a21a62a165
134c50c180b0
142783c11981
1515763b1135
hexc3abc0e5d

52525010525 has 12 divisors (see below), whose sum is σ = 70141091412. Its totient is φ = 38787699840.

The previous prime is 52525010513. The next prime is 52525010533. The reversal of 52525010525 is 52501052525.

It can be written as a sum of positive squares in 6 ways, for example, as 1349974564 + 51175035961 = 36742^2 + 226219^2 .

It is not a de Polignac number, because 52525010525 - 220 = 52523961949 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52525010491 and 52525010500.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 80807384 + ... + 80808033.

It is an arithmetic number, because the mean of its divisors is an integer number (5845090951).

Almost surely, 252525010525 is an apocalyptic number.

It is an amenable number.

52525010525 is a deficient number, since it is larger than the sum of its proper divisors (17616080887).

52525010525 is a wasteful number, since it uses less digits than its factorization.

52525010525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161615440 (or 161615435 counting only the distinct ones).

The product of its (nonzero) digits is 25000, while the sum is 32.

The spelling of 52525010525 in words is "fifty-two billion, five hundred twenty-five million, ten thousand, five hundred twenty-five".

Divisors: 1 5 13 25 65 325 161615417 808077085 2101000421 4040385425 10505002105 52525010525