Base | Representation |
---|---|
bin | 11000011101011111… |
… | …10111100010001000 |
3 | 1020220012210112122222 |
4 | 30032233313202020 |
5 | 203343334044034 |
6 | 10011035233212 |
7 | 643300654502 |
oct | 141657674210 |
9 | 36805715588 |
10 | 13132331144 |
11 | 5629949839 |
12 | 2665ba8808 |
13 | 131392555a |
14 | 8c8174d72 |
15 | 51cd9112e |
hex | 30ebf7888 |
13132331144 has 16 divisors (see below), whose sum is σ = 24693679500. Its totient is φ = 6547349952.
The previous prime is 13132331141. The next prime is 13132331167. The reversal of 13132331144 is 44113323131.
It can be written as a sum of positive squares in 2 ways, for example, as 12246078244 + 886252900 = 110662^2 + 29770^2 .
It is not an unprimeable number, because it can be changed into a prime (13132331141) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2348987 + ... + 2354570.
Almost surely, 213132331144 is an apocalyptic number.
It is an amenable number.
13132331144 is a deficient number, since it is larger than the sum of its proper divisors (11561348356).
13132331144 is a wasteful number, since it uses less digits than its factorization.
13132331144 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4703912 (or 4703908 counting only the distinct ones).
The product of its digits is 2592, while the sum is 26.
Adding to 13132331144 its reverse (44113323131), we get a palindrome (57245654275).
The spelling of 13132331144 in words is "thirteen billion, one hundred thirty-two million, three hundred thirty-one thousand, one hundred forty-four".
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