Base | Representation |
---|---|
bin | 11111000000110000001… |
… | …011111001001111001101 |
3 | 21112201202212120212120111 |
4 | 133000300023321033031 |
5 | 234404004211000323 |
6 | 4311004110320021 |
7 | 306652642562260 |
oct | 37006013711715 |
9 | 7481685525514 |
10 | 2131112203213 |
11 | 75188830a724 |
12 | 2a50351b9011 |
13 | 125c699a01c6 |
14 | 75209952cd7 |
15 | 3a67d7d7c0d |
hex | 1f0302f93cd |
2131112203213 has 32 divisors (see below), whose sum is σ = 2536504992000. Its totient is φ = 1751832907776.
The previous prime is 2131112203193. The next prime is 2131112203219. The reversal of 2131112203213 is 3123022111312.
It is not a de Polignac number, because 2131112203213 - 225 = 2131078648781 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2131112203219) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25542238 + ... + 25625536.
It is an arithmetic number, because the mean of its divisors is an integer number (79265781000).
Almost surely, 22131112203213 is an apocalyptic number.
It is an amenable number.
2131112203213 is a deficient number, since it is larger than the sum of its proper divisors (405392788787).
2131112203213 is a wasteful number, since it uses less digits than its factorization.
2131112203213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 84181.
The product of its (nonzero) digits is 432, while the sum is 22.
Adding to 2131112203213 its reverse (3123022111312), we get a palindrome (5254134314525).
The spelling of 2131112203213 in words is "two trillion, one hundred thirty-one billion, one hundred twelve million, two hundred three thousand, two hundred thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.081 sec. • engine limits •