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52525852525 = 523867154331
BaseRepresentation
bin110000111010110010…
…001110011101101101
312000120121122202220101
4300322302032131231
51330033104240100
640044031151101
73536432244166
oct607262163555
9160517582811
1052525852525
1120304524483
12a21a975491
134c51151413
142783d9076d
1515764ca86a
hexc3ac8e76d

52525852525 has 12 divisors (see below), whose sum is σ = 65134940224. Its totient is φ = 42018822000.

The previous prime is 52525852517. The next prime is 52525852529.

It is a happy number.

52525852525 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 52525852525 - 23 = 52525852517 is a prime.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52525852529) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 939610 + ... + 993940.

Almost surely, 252525852525 is an apocalyptic number.

It is an amenable number.

52525852525 is a deficient number, since it is larger than the sum of its proper divisors (12609087699).

52525852525 is a wasteful number, since it uses less digits than its factorization.

52525852525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93012 (or 93007 counting only the distinct ones).

The product of its digits is 2000000, while the sum is 46.

The spelling of 52525852525 in words is "fifty-two billion, five hundred twenty-five million, eight hundred fifty-two thousand, five hundred twenty-five".

Divisors: 1 5 25 38671 54331 193355 271655 966775 1358275 2101034101 10505170505 52525852525