Base | Representation |
---|---|
bin | 10010111010001010… |
… | …010000111001100111 |
3 | 1221101221220110111100 |
4 | 102322022100321213 |
5 | 313040044401043 |
6 | 13154354211143 |
7 | 1316062455402 |
oct | 227212207147 |
9 | 57357813440 |
10 | 20303122023 |
11 | 8679646098 |
12 | 3b27583ab3 |
13 | 1bb7429792 |
14 | da866cd39 |
15 | 7dc694cd3 |
hex | 4ba290e67 |
20303122023 has 12 divisors (see below), whose sum is σ = 29382812680. Its totient is φ = 13509531216.
The previous prime is 20303122013. The next prime is 20303122039. The reversal of 20303122023 is 32022130302.
It is a happy number.
It is not a de Polignac number, because 20303122023 - 28 = 20303121767 is a prime.
It is a super-2 number, since 2×203031220232 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 20303121987 and 20303122005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20303122013) 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 11 ways as a sum of consecutive naturals, for example, 2151988 + ... + 2161401.
Almost surely, 220303122023 is an apocalyptic number.
20303122023 is a deficient number, since it is larger than the sum of its proper divisors (9079690657).
20303122023 is a wasteful number, since it uses less digits than its factorization.
20303122023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4313918 (or 4313915 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 18.
Adding to 20303122023 its reverse (32022130302), we get a palindrome (52325252325).
The spelling of 20303122023 in words is "twenty billion, three hundred three million, one hundred twenty-two thousand, twenty-three".
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