Base | Representation |
---|---|
bin | 110010101000… |
… | …010001000000 |
3 | 220222021221022 |
4 | 302220101000 |
5 | 11344202003 |
6 | 1152245012 |
7 | 220545152 |
oct | 62502100 |
9 | 26867838 |
10 | 13272128 |
11 | 7545601 |
12 | 4540768 |
13 | 299903c |
14 | 1a96ad2 |
15 | 1272738 |
hex | ca8440 |
13272128 has 14 divisors (see below), whose sum is σ = 26337006. Its totient is φ = 6636032.
The previous prime is 13272113. The next prime is 13272143. The reversal of 13272128 is 82127231.
It is an interprime number because it is at equal distance from previous prime (13272113) and next prime (13272143).
It can be written as a sum of positive squares in only one way, i.e., 12902464 + 369664 = 3592^2 + 608^2 .
It is a super-2 number, since 2×132721282 = 352298763296768, which contains 22 as substring.
It is a nialpdrome in base 16.
It is a junction number, because it is equal to n+sod(n) for n = 13272097 and 13272106.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103625 + ... + 103752.
Almost surely, 213272128 is an apocalyptic number.
It is an amenable number.
13272128 is a deficient number, since it is larger than the sum of its proper divisors (13064878).
13272128 is an equidigital number, since it uses as much as digits as its factorization.
13272128 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 207389 (or 207379 counting only the distinct ones).
The product of its digits is 1344, while the sum is 26.
The square root of 13272128 is about 3643.0931912319. The cubic root of 13272128 is about 236.7628289597.
Adding to 13272128 its reverse (82127231), we get a palindrome (95399359).
The spelling of 13272128 in words is "thirteen million, two hundred seventy-two thousand, one hundred twenty-eight".
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