Base | Representation |
---|---|
bin | 11001000100111100… |
… | …10101111001001111 |
3 | 1021202021112112211121 |
4 | 30202132111321033 |
5 | 210033044444411 |
6 | 10103540501411 |
7 | 654430000531 |
oct | 144236257117 |
9 | 37667475747 |
10 | 13463281231 |
11 | 5789742504 |
12 | 27389aa867 |
13 | 136736b8ca |
14 | 91a0c3851 |
15 | 53be65571 |
hex | 322795e4f |
13463281231 has 8 divisors (see below), whose sum is σ = 14179841280. Its totient is φ = 12747517848.
The previous prime is 13463281229. The next prime is 13463281241. The reversal of 13463281231 is 13218236431.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 13463281231 - 21 = 13463281229 is a prime.
It is a super-2 number, since 2×134632812312 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13463281241) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164311 + ... + 232216.
It is an arithmetic number, because the mean of its divisors is an integer number (1772480160).
Almost surely, 213463281231 is an apocalyptic number.
13463281231 is a deficient number, since it is larger than the sum of its proper divisors (716560049).
13463281231 is a wasteful number, since it uses less digits than its factorization.
13463281231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 398333.
The product of its digits is 20736, while the sum is 34.
The spelling of 13463281231 in words is "thirteen billion, four hundred sixty-three million, two hundred eighty-one thousand, two hundred thirty-one".
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