Base | Representation |
---|---|
bin | 10010111010100101… |
… | …010001011010100111 |
3 | 1221102110020011102120 |
4 | 102322211101122213 |
5 | 313043402431043 |
6 | 13155210041023 |
7 | 1316206603656 |
oct | 227245213247 |
9 | 57373204376 |
10 | 20310202023 |
11 | 8682641431 |
12 | 3b29a19173 |
13 | 1bb8a38227 |
14 | da959319d |
15 | 7dd0e2983 |
hex | 4ba9516a7 |
20310202023 has 16 divisors (see below), whose sum is σ = 27817021440. Its totient is φ = 13171886496.
The previous prime is 20310201959. The next prime is 20310202051. The reversal of 20310202023 is 32020201302.
It is not a de Polignac number, because 20310202023 - 26 = 20310201959 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 20310201993 and 20310202011.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20310202093) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 818838 + ... + 843276.
It is an arithmetic number, because the mean of its divisors is an integer number (1738563840).
Almost surely, 220310202023 is an apocalyptic number.
20310202023 is a deficient number, since it is larger than the sum of its proper divisors (7506819417).
20310202023 is a wasteful number, since it uses less digits than its factorization.
20310202023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31966.
The product of its (nonzero) digits is 144, while the sum is 15.
Adding to 20310202023 its reverse (32020201302), we get a palindrome (52330403325).
The spelling of 20310202023 in words is "twenty billion, three hundred ten million, two hundred two thousand, twenty-three".
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