Base | Representation |
---|---|
bin | 11000100111010011… |
… | …00011100011100011 |
3 | 1021002221112022220220 |
4 | 30103221203203203 |
5 | 204030412000111 |
6 | 10023133534123 |
7 | 645316633242 |
oct | 142351434343 |
9 | 37087468826 |
10 | 13214562531 |
11 | 5671304465 |
12 | 2689644343 |
13 | 1327987491 |
14 | 8d505c959 |
15 | 5251d5e06 |
hex | 313a638e3 |
13214562531 has 8 divisors (see below), whose sum is σ = 18385478400. Its totient is φ = 8426677512.
The previous prime is 13214562527. The next prime is 13214562533. The reversal of 13214562531 is 13526541231.
13214562531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 13214562531 - 22 = 13214562527 is a prime.
It is a super-2 number, since 2×132145625312 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 13214562492 and 13214562501.
It is not an unprimeable number, because it can be changed into a prime (13214562533) 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 7 ways as a sum of consecutive naturals, for example, 95757631 + ... + 95757768.
It is an arithmetic number, because the mean of its divisors is an integer number (2298184800).
Almost surely, 213214562531 is an apocalyptic number.
13214562531 is a deficient number, since it is larger than the sum of its proper divisors (5170915869).
13214562531 is a wasteful number, since it uses less digits than its factorization.
13214562531 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 191515425.
The product of its digits is 21600, while the sum is 33.
The spelling of 13214562531 in words is "thirteen billion, two hundred fourteen million, five hundred sixty-two thousand, five hundred thirty-one".
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