Search a number
-
+
13086534825 = 33527132359157
BaseRepresentation
bin11000011000000010…
…01010110010101001
31020210000121211221000
430030001022302221
5203300123103300
610002321505213
7642203465520
oct141401126251
936700554830
1013086534825
11560600a341
1226527a2209
1313072ac640
148c20534b7
15518d46c00
hex30c04aca9

13086534825 has 384 divisors, whose sum is σ = 31597977600. Its totient is φ = 5159531520.

The previous prime is 13086534823. The next prime is 13086534827. The reversal of 13086534825 is 52843568031.

13086534825 is a `hidden beast` number, since 1 + 30 + 8 + 6 + 534 + 82 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (13086534823) and next prime (13086534827).

It is not a de Polignac number, because 13086534825 - 21 = 13086534823 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (13086534821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 83353647 + ... + 83353803.

It is an arithmetic number, because the mean of its divisors is an integer number (82286400).

Almost surely, 213086534825 is an apocalyptic number.

13086534825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13086534825 is an abundant number, since it is smaller than the sum of its proper divisors (18511442775).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13086534825 is a wasteful number, since it uses less digits than its factorization.

13086534825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278 (or 267 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

The spelling of 13086534825 in words is "thirteen billion, eighty-six million, five hundred thirty-four thousand, eight hundred twenty-five".