Base | Representation |
---|---|
bin | 11001111000100010… |
… | …10011001011000111 |
3 | 1022212102220111012000 |
4 | 30330101103023013 |
5 | 211424343213311 |
6 | 10214521000343 |
7 | 1001233434060 |
oct | 147421231307 |
9 | 38772814160 |
10 | 13896069831 |
11 | 5990a72a36 |
12 | 28399230b3 |
13 | 1405c20537 |
14 | 95b781567 |
15 | 564e54056 |
hex | 33c4532c7 |
13896069831 has 32 divisors (see below), whose sum is σ = 23595264000. Its totient is φ = 7917821280.
The previous prime is 13896069829. The next prime is 13896069857.
13896069831 is nontrivially palindromic in base 10.
13896069831 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 13896069831 - 21 = 13896069829 is a prime.
It is a super-2 number, since 2×138960698312 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13896069821) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39375 + ... + 171296.
It is an arithmetic number, because the mean of its divisors is an integer number (737352000).
Almost surely, 213896069831 is an apocalyptic number.
13896069831 is a deficient number, since it is larger than the sum of its proper divisors (9699194169).
13896069831 is a wasteful number, since it uses less digits than its factorization.
13896069831 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 211036 (or 211030 counting only the distinct ones).
The product of its (nonzero) digits is 1679616, while the sum is 54.
The spelling of 13896069831 in words is "thirteen billion, eight hundred ninety-six million, sixty-nine thousand, eight hundred thirty-one".
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