Base | Representation |
---|---|
bin | 11001000000000100… |
… | …01011010010100011 |
3 | 1021122102111200121002 |
4 | 30200002023102203 |
5 | 204442104441311 |
6 | 10055515222215 |
7 | 653422015205 |
oct | 144002132243 |
9 | 37572450532 |
10 | 13422343331 |
11 | 5768621231 |
12 | 272714796b |
13 | 135ba371b7 |
14 | 9148a8775 |
15 | 53857a93b |
hex | 32008b4a3 |
13422343331 has 4 divisors (see below), whose sum is σ = 13707925152. Its totient is φ = 13136761512.
The previous prime is 13422343321. The next prime is 13422343349. The reversal of 13422343331 is 13334322431.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13334322431 = 4139 ⋅3221629.
It is a cyclic number.
It is not a de Polignac number, because 13422343331 - 226 = 13355234467 is a prime.
It is a super-2 number, since 2×134223433312 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 13422343294 and 13422343303.
It is not an unprimeable number, because it can be changed into a prime (13422343321) 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, 142790840 + ... + 142790933.
It is an arithmetic number, because the mean of its divisors is an integer number (3426981288).
Almost surely, 213422343331 is an apocalyptic number.
13422343331 is a deficient number, since it is larger than the sum of its proper divisors (285581821).
13422343331 is an equidigital number, since it uses as much as digits as its factorization.
13422343331 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 285581820.
The product of its digits is 15552, while the sum is 29.
Adding to 13422343331 its reverse (13334322431), we get a palindrome (26756665762).
The spelling of 13422343331 in words is "thirteen billion, four hundred twenty-two million, three hundred forty-three thousand, three hundred thirty-one".
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