Base | Representation |
---|---|
bin | 10010111100010111… |
… | …011010001100101101 |
3 | 1221111112112021111011 |
4 | 102330113122030231 |
5 | 313124032404123 |
6 | 13202155225221 |
7 | 1320022121302 |
oct | 227427321455 |
9 | 57445467434 |
10 | 20340122413 |
11 | 8698518026 |
12 | 3b37a48211 |
13 | 1bc1cb2bc0 |
14 | dad5410a9 |
15 | 7e0a52e0d |
hex | 4bc5da32d |
20340122413 has 16 divisors (see below), whose sum is σ = 23198918400. Its totient is φ = 17666747136.
The previous prime is 20340122371. The next prime is 20340122419. The reversal of 20340122413 is 31422104302.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-20340122413 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20340122419) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1184656 + ... + 1201702.
It is an arithmetic number, because the mean of its divisors is an integer number (1449932400).
Almost surely, 220340122413 is an apocalyptic number.
It is an amenable number.
20340122413 is a deficient number, since it is larger than the sum of its proper divisors (2858795987).
20340122413 is a wasteful number, since it uses less digits than its factorization.
20340122413 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22476.
The product of its (nonzero) digits is 1152, while the sum is 22.
Adding to 20340122413 its reverse (31422104302), we get a palindrome (51762226715).
The spelling of 20340122413 in words is "twenty billion, three hundred forty million, one hundred twenty-two thousand, four hundred thirteen".
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