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13086673609 = 13928232
BaseRepresentation
bin11000011000000011…
…01100101011001001
31020210000212220022011
430030001230223021
5203300142023414
610002324455521
7642204614242
oct141401545311
936700786264
1013086673609
1156060a4639
12265284a5a1
13130732a869
148c208bcc9
15518d72dc4
hex30c06cac9

13086673609 has 9 divisors (see below), whose sum is σ = 13197535533. Its totient is φ = 12976738092.

The previous prime is 13086673571. The next prime is 13086673619. The reversal of 13086673609 is 90637668031.

The square root of 13086673609 is 114397.

It is a perfect power (a square), and thus also a powerful number.

It is a de Polignac number, because none of the positive numbers 2k-13086673609 is a prime.

It is a super-2 number, since 2×130866736092 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13086673619) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 15900772 + ... + 15901594.

It is an arithmetic number, because the mean of its divisors is an integer number (1466392837).

Almost surely, 213086673609 is an apocalyptic number.

13086673609 is the 114397-th square number.

13086673609 is the 57199-th centered octagonal number.

It is an amenable number.

13086673609 is a deficient number, since it is larger than the sum of its proper divisors (110861924).

13086673609 is an frugal number, since it uses more digits than its factorization.

13086673609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1924 (or 962 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 49.

Multiplying 13086673609 by its sum of digits (49), we get a square (641247006841 = 8007792).

The spelling of 13086673609 in words is "thirteen billion, eighty-six million, six hundred seventy-three thousand, six hundred nine".

Divisors: 1 139 823 19321 114397 677329 15901183 94148731 13086673609