Base | Representation |
---|---|
bin | 1011110101011010010101… |
… | …0110101010101000100101 |
3 | 1201001221211200122002200202 |
4 | 2331112211112222220211 |
5 | 3201143021402401041 |
6 | 43401422550320245 |
7 | 2512050123046664 |
oct | 275264526525045 |
9 | 51057750562622 |
10 | 13012230122021 |
11 | 4167501748459 |
12 | 1561a35659085 |
13 | 7350816c2900 |
14 | 32db1c426ddb |
15 | 178728211a9b |
hex | bd5a55aaa25 |
13012230122021 has 24 divisors (see below), whose sum is σ = 14447289838464. Its totient is φ = 11708892624000.
The previous prime is 13012230121921. The next prime is 13012230122039. The reversal of 13012230122021 is 12022103221031.
It is not a de Polignac number, because 13012230122021 - 210 = 13012230120997 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 13012230121984 and 13012230122002.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13012230122821) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1269656 + ... + 5257041.
It is an arithmetic number, because the mean of its divisors is an integer number (601970409936).
Almost surely, 213012230122021 is an apocalyptic number.
It is an amenable number.
13012230122021 is a deficient number, since it is larger than the sum of its proper divisors (1435059716443).
13012230122021 is a wasteful number, since it uses less digits than its factorization.
13012230122021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6527021 (or 6527008 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 20.
Adding to 13012230122021 its reverse (12022103221031), we get a palindrome (25034333343052).
The spelling of 13012230122021 in words is "thirteen trillion, twelve billion, two hundred thirty million, one hundred twenty-two thousand, twenty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •