Base | Representation |
---|---|
bin | 11001000100011101… |
… | …00110010110001000 |
3 | 1021201222202212202202 |
4 | 30202032212112020 |
5 | 210031020414222 |
6 | 10103312215332 |
7 | 654346631642 |
oct | 144216462610 |
9 | 37658685682 |
10 | 13459154312 |
11 | 578738392a |
12 | 273753a548 |
13 | 1366555346 |
14 | 91972b892 |
15 | 53b8ec892 |
hex | 3223a6588 |
13459154312 has 12 divisors (see below), whose sum is σ = 25236529605. Its totient is φ = 6729413088.
The previous prime is 13459154297. The next prime is 13459154351. The reversal of 13459154312 is 21345195431.
It is a happy number.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It can be written as a sum of positive squares in 2 ways, for example, as 12457684996 + 1001469316 = 111614^2 + 31646^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=82034.
It is a super-2 number, since 2×134591543122 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 307628 + ... + 348644.
Almost surely, 213459154312 is an apocalyptic number.
It is an amenable number.
13459154312 is a deficient number, since it is larger than the sum of its proper divisors (11777375293).
13459154312 is an frugal number, since it uses more digits than its factorization.
13459154312 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 82040 (or 41019 counting only the distinct ones).
The product of its digits is 64800, while the sum is 38.
Multiplying 13459154312 by its product of digits (64800), we get a square (872153199417600 = 295322402).
The spelling of 13459154312 in words is "thirteen billion, four hundred fifty-nine million, one hundred fifty-four thousand, three hundred twelve".
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