Base | Representation |
---|---|
bin | 10010111010110000… |
… | …010101010000011111 |
3 | 1221102122200110112210 |
4 | 102322300111100133 |
5 | 313100123220333 |
6 | 13155352131503 |
7 | 1316243340543 |
oct | 227260252037 |
9 | 57378613483 |
10 | 20313101343 |
11 | 8684241767 |
12 | 3b2a996b93 |
13 | 1bb9511ac2 |
14 | da9b09a23 |
15 | 7dd4b6a63 |
hex | 4bac1541f |
20313101343 has 16 divisors (see below), whose sum is σ = 29280149120. Its totient is φ = 12482587296.
The previous prime is 20313101329. The next prime is 20313101351. The reversal of 20313101343 is 34310131302.
It is not a de Polignac number, because 20313101343 - 224 = 20296324127 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20313001343) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4813705 + ... + 4817922.
It is an arithmetic number, because the mean of its divisors is an integer number (1830009320).
Almost surely, 220313101343 is an apocalyptic number.
20313101343 is a deficient number, since it is larger than the sum of its proper divisors (8967047777).
20313101343 is a wasteful number, since it uses less digits than its factorization.
20313101343 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9631686.
The product of its (nonzero) digits is 648, while the sum is 21.
Adding to 20313101343 its reverse (34310131302), we get a palindrome (54623232645).
The spelling of 20313101343 in words is "twenty billion, three hundred thirteen million, one hundred one thousand, three hundred forty-three".
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