Base | Representation |
---|---|
bin | 10010111010000011… |
… | …011110100100101111 |
3 | 1221101211120002011110 |
4 | 102322003132210233 |
5 | 313034120434043 |
6 | 13154252123103 |
7 | 1316041365663 |
oct | 227203364457 |
9 | 57354502143 |
10 | 20301343023 |
11 | 8678640545 |
12 | 3b26a66493 |
13 | 1bb6c55b10 |
14 | da83288a3 |
15 | 7dc442b33 |
hex | 4ba0de92f |
20301343023 has 16 divisors (see below), whose sum is σ = 30090991616. Its totient is φ = 12090129120.
The previous prime is 20301343021. The next prime is 20301343063. The reversal of 20301343023 is 32034310302.
It is not a de Polignac number, because 20301343023 - 21 = 20301343021 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 (20301343021) 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, 8394715 + ... + 8397132.
It is an arithmetic number, because the mean of its divisors is an integer number (1880686976).
Almost surely, 220301343023 is an apocalyptic number.
20301343023 is a deficient number, since it is larger than the sum of its proper divisors (9789648593).
20301343023 is a wasteful number, since it uses less digits than its factorization.
20301343023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16791894.
The product of its (nonzero) digits is 1296, while the sum is 21.
Adding to 20301343023 its reverse (32034310302), we get a palindrome (52335653325).
The spelling of 20301343023 in words is "twenty billion, three hundred one million, three hundred forty-three thousand, twenty-three".
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