Base | Representation |
---|---|
bin | 11101100011101110001… |
… | …001011000110110100101 |
3 | 21012011221012210021202100 |
4 | 131203232021120312211 |
5 | 231234414310032323 |
6 | 4153043554002313 |
7 | 266515345100463 |
oct | 35435611306645 |
9 | 7164835707670 |
10 | 2031220002213 |
11 | 713487812606 |
12 | 2897b7576399 |
13 | 11970a60506c |
14 | 70450d53833 |
15 | 37c83c93943 |
hex | 1d8ee258da5 |
2031220002213 has 6 divisors (see below), whose sum is σ = 2933984447654. Its totient is φ = 1354146668136.
The previous prime is 2031220002143. The next prime is 2031220002269. The reversal of 2031220002213 is 3122000221302.
It can be written as a sum of positive squares in only one way, i.e., 1537716562209 + 493503440004 = 1240047^2 + 702498^2 .
It is not a de Polignac number, because 2031220002213 - 221 = 2031217905061 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 (2031220002283) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 112845555670 + ... + 112845555687.
Almost surely, 22031220002213 is an apocalyptic number.
It is an amenable number.
2031220002213 is a deficient number, since it is larger than the sum of its proper divisors (902764445441).
2031220002213 is a wasteful number, since it uses less digits than its factorization.
2031220002213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 225691111363 (or 225691111360 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
Adding to 2031220002213 its reverse (3122000221302), we get a palindrome (5153220223515).
The spelling of 2031220002213 in words is "two trillion, thirty-one billion, two hundred twenty million, two thousand, two hundred thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •