Base | Representation |
---|---|
bin | 100100001010001… |
… | …1010010010111101 |
3 | 10010120001112121122 |
4 | 1020110122102331 |
5 | 4441101411031 |
6 | 320221240325 |
7 | 42031652231 |
oct | 11024322275 |
9 | 3116045548 |
10 | 1213310141 |
11 | 57297795a |
12 | 29a4030a5 |
13 | 1644a48c4 |
14 | b71d65c1 |
15 | 717b947b |
hex | 4851a4bd |
1213310141 has 2 divisors, whose sum is σ = 1213310142. Its totient is φ = 1213310140.
The previous prime is 1213310083. The next prime is 1213310143. The reversal of 1213310141 is 1410133121.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1088340100 + 124970041 = 32990^2 + 11179^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1213310141 is a prime.
Together with 1213310143, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1213310143) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606655070 + 606655071.
It is an arithmetic number, because the mean of its divisors is an integer number (606655071).
Almost surely, 21213310141 is an apocalyptic number.
It is an amenable number.
1213310141 is a deficient number, since it is larger than the sum of its proper divisors (1).
1213310141 is an equidigital number, since it uses as much as digits as its factorization.
1213310141 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 72, while the sum is 17.
The square root of 1213310141 is about 34832.6016972606. The cubic root of 1213310141 is about 1066.5730582676.
Adding to 1213310141 its reverse (1410133121), we get a palindrome (2623443262).
The spelling of 1213310141 in words is "one billion, two hundred thirteen million, three hundred ten thousand, one hundred forty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.085 sec. • engine limits •