Base | Representation |
---|---|
bin | 10111001100100101101101… |
… | …110110010010110011001101 |
3 | 111101020000222020011011122201 |
4 | 113030211231312102303031 |
5 | 101332444332442144323 |
6 | 1000551233340041501 |
7 | 30326500455342511 |
oct | 2714455566226315 |
9 | 441200866134581 |
10 | 102020201131213 |
11 | 2a563584971922 |
12 | b538246b33291 |
13 | 44c06049470a1 |
14 | 1b29b38582141 |
15 | bbdba5ee78ad |
hex | 5cc96dd92ccd |
102020201131213 has 2 divisors, whose sum is σ = 102020201131214. Its totient is φ = 102020201131212.
The previous prime is 102020201131193. The next prime is 102020201131253. The reversal of 102020201131213 is 312131102020201.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 82180062963684 + 19840138167529 = 9065322^2 + 4454227^2 .
It is an emirp because it is prime and its reverse (312131102020201) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 102020201131213 - 213 = 102020201123021 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (102020201131253) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51010100565606 + 51010100565607.
It is an arithmetic number, because the mean of its divisors is an integer number (51010100565607).
Almost surely, 2102020201131213 is an apocalyptic number.
It is an amenable number.
102020201131213 is a deficient number, since it is larger than the sum of its proper divisors (1).
102020201131213 is an equidigital number, since it uses as much as digits as its factorization.
102020201131213 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 144, while the sum is 19.
Adding to 102020201131213 its reverse (312131102020201), we get a palindrome (414151303151414).
The spelling of 102020201131213 in words is "one hundred two trillion, twenty billion, two hundred one million, one hundred thirty-one thousand, two hundred thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •