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52585658525 = 526731394423
BaseRepresentation
bin110000111110010110…
…010111100010011101
312000201210012020022102
4300332112113202131
51330143412033100
640054005054445
73541056502541
oct607626274235
9160653166272
1052585658525
1120335262624
12a2369b7425
134c60660c9a
14278bcbba21
15157b890cd5
hexc3e59789d

52585658525 has 12 divisors (see below), whose sum is σ = 66179445792. Its totient is φ = 41440637040.

The previous prime is 52585658509. The next prime is 52585658539.

52585658525 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 52585658525 - 24 = 52585658509 is a prime.

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

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15695537 + ... + 15698886.

It is an arithmetic number, because the mean of its divisors is an integer number (5514953816).

Almost surely, 252585658525 is an apocalyptic number.

It is an amenable number.

52585658525 is a deficient number, since it is larger than the sum of its proper divisors (13593787267).

52585658525 is a wasteful number, since it uses less digits than its factorization.

52585658525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31394500 (or 31394495 counting only the distinct ones).

The product of its digits is 24000000, while the sum is 56.

The spelling of 52585658525 in words is "fifty-two billion, five hundred eighty-five million, six hundred fifty-eight thousand, five hundred twenty-five".

Divisors: 1 5 25 67 335 1675 31394423 156972115 784860575 2103426341 10517131705 52585658525