Base | Representation |
---|---|
bin | 10010010010110110101000… |
… | …00011010011010110010101 |
3 | 12021102222020021222022121111 |
4 | 21021123110003103112111 |
5 | 20233112443130023223 |
6 | 221321301502215021 |
7 | 11321352250052014 |
oct | 1111332403232625 |
9 | 167388207868544 |
10 | 40230221329813 |
11 | 119005a51606a9 |
12 | 4618a77884471 |
13 | 195a902a937c8 |
14 | 9d122017aa7b |
15 | 49b73143930d |
hex | 2496d40d3595 |
40230221329813 has 2 divisors, whose sum is σ = 40230221329814. Its totient is φ = 40230221329812.
The previous prime is 40230221329811. The next prime is 40230221329997. The reversal of 40230221329813 is 31892312203204.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 38452177764324 + 1778043565489 = 6200982^2 + 1333433^2 .
It is a cyclic number.
It is not a de Polignac number, because 40230221329813 - 21 = 40230221329811 is a prime.
It is a super-2 number, since 2×402302213298132 (a number of 28 digits) contains 22 as substring.
Together with 40230221329811, 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 (40230221329811) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20115110664906 + 20115110664907.
It is an arithmetic number, because the mean of its divisors is an integer number (20115110664907).
Almost surely, 240230221329813 is an apocalyptic number.
It is an amenable number.
40230221329813 is a deficient number, since it is larger than the sum of its proper divisors (1).
40230221329813 is an equidigital number, since it uses as much as digits as its factorization.
40230221329813 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 124416, while the sum is 40.
The spelling of 40230221329813 in words is "forty trillion, two hundred thirty billion, two hundred twenty-one million, three hundred twenty-nine thousand, eight hundred thirteen".
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