Base | Representation |
---|---|
bin | 10110101110100111… |
… | …10010011001101101 |
3 | 1011111101122011110002 |
4 | 23113103302121231 |
5 | 144442232120323 |
6 | 5334451554045 |
7 | 611245120535 |
oct | 132723623155 |
9 | 34441564402 |
10 | 12202223213 |
11 | 51a19229a4 |
12 | 24465bb925 |
13 | 11c6019a2b |
14 | 83a81c4c5 |
15 | 4b63b8828 |
hex | 2d74f266d |
12202223213 has 4 divisors (see below), whose sum is σ = 12212807388. Its totient is φ = 12191639040.
The previous prime is 12202223167. The next prime is 12202223227. The reversal of 12202223213 is 31232220221.
It is a happy number.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 6011366089 + 6190857124 = 77533^2 + 78682^2 .
It is a cyclic number.
It is not a de Polignac number, because 12202223213 - 230 = 11128481389 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12202223273) 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, 5290358 + ... + 5292663.
It is an arithmetic number, because the mean of its divisors is an integer number (3053201847).
Almost surely, 212202223213 is an apocalyptic number.
It is an amenable number.
12202223213 is a deficient number, since it is larger than the sum of its proper divisors (10584175).
12202223213 is a wasteful number, since it uses less digits than its factorization.
12202223213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10584174.
The product of its (nonzero) digits is 576, while the sum is 20.
Adding to 12202223213 its reverse (31232220221), we get a palindrome (43434443434).
The spelling of 12202223213 in words is "twelve billion, two hundred two million, two hundred twenty-three thousand, two hundred thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •