Base | Representation |
---|---|
bin | 11100001111100100011100… |
… | …010011011111111011111101 |
3 | 121021210212012112110211211021 |
4 | 130033210130103133323331 |
5 | 112240120234323304323 |
6 | 1120103404113024141 |
7 | 35110153022311144 |
oct | 3417443423377375 |
9 | 537725175424737 |
10 | 124215224041213 |
11 | 36640420761518 |
12 | 11b218ab255051 |
13 | 54405a3614586 |
14 | 229609835475b |
15 | e561ca3a205d |
hex | 70f91c4dfefd |
124215224041213 has 2 divisors, whose sum is σ = 124215224041214. Its totient is φ = 124215224041212.
The previous prime is 124215224041211. The next prime is 124215224041219. The reversal of 124215224041213 is 312140422512421.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 72427367722329 + 51787856318884 = 8510427^2 + 7196378^2 .
It is a cyclic number.
It is not a de Polignac number, because 124215224041213 - 21 = 124215224041211 is a prime.
It is a super-2 number, since 2×1242152240412132 (a number of 29 digits) contains 22 as substring.
Together with 124215224041211, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (124215224041211) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62107612020606 + 62107612020607.
It is an arithmetic number, because the mean of its divisors is an integer number (62107612020607).
Almost surely, 2124215224041213 is an apocalyptic number.
It is an amenable number.
124215224041213 is a deficient number, since it is larger than the sum of its proper divisors (1).
124215224041213 is an equidigital number, since it uses as much as digits as its factorization.
124215224041213 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 30720, while the sum is 34.
Adding to 124215224041213 its reverse (312140422512421), we get a palindrome (436355646553634).
The spelling of 124215224041213 in words is "one hundred twenty-four trillion, two hundred fifteen billion, two hundred twenty-four million, forty-one thousand, two hundred thirteen".
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