Base | Representation |
---|---|
bin | 11101100011101110010… |
… | …001000011100100111110 |
3 | 21012011221100120101222010 |
4 | 131203232101003210332 |
5 | 231234420313342342 |
6 | 4153044105032050 |
7 | 266515401141534 |
oct | 35435621034476 |
9 | 7164840511863 |
10 | 2031222012222 |
11 | 713488965777 |
12 | 2897b8185626 |
13 | 11970ab59c10 |
14 | 70451318154 |
15 | 37c8403e29c |
hex | 1d8ee44393e |
2031222012222 has 64 divisors (see below), whose sum is σ = 4413449424384. Its totient is φ = 619512520320.
The previous prime is 2031222012199. The next prime is 2031222012301. The reversal of 2031222012222 is 2222102221302.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4099903 + ... + 4568549.
It is an arithmetic number, because the mean of its divisors is an integer number (68960147256).
Almost surely, 22031222012222 is an apocalyptic number.
2031222012222 is an abundant number, since it is smaller than the sum of its proper divisors (2382227412162).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2031222012222 is a wasteful number, since it uses less digits than its factorization.
2031222012222 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 469153.
The product of its (nonzero) digits is 768, while the sum is 21.
Adding to 2031222012222 its reverse (2222102221302), we get a palindrome (4253324233524).
The spelling of 2031222012222 in words is "two trillion, thirty-one billion, two hundred twenty-two million, twelve thousand, two hundred twenty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.090 sec. • engine limits •