Base | Representation |
---|---|
bin | 10010111010000110… |
… | …110101011011111111 |
3 | 1221101220012210102000 |
4 | 102322012311123333 |
5 | 313034332114403 |
6 | 13154323033343 |
7 | 1316052022551 |
oct | 227206653377 |
9 | 57356183360 |
10 | 20302223103 |
11 | 8679091788 |
12 | 3b2720b853 |
13 | 1bb71a3586 |
14 | da84b74d1 |
15 | 7dc5687a3 |
hex | 4ba1b56ff |
20302223103 has 16 divisors (see below), whose sum is σ = 30159336960. Its totient is φ = 13497929208.
The previous prime is 20302223023. The next prime is 20302223141. The reversal of 20302223103 is 30132220302.
It is a happy number.
It is not a de Polignac number, because 20302223103 - 210 = 20302222079 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20302223153) 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, 1014525 + ... + 1034342.
It is an arithmetic number, because the mean of its divisors is an integer number (1884958560).
Almost surely, 220302223103 is an apocalyptic number.
20302223103 is a deficient number, since it is larger than the sum of its proper divisors (9857113857).
20302223103 is a wasteful number, since it uses less digits than its factorization.
20302223103 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2049243 (or 2049237 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 18.
Adding to 20302223103 its reverse (30132220302), we get a palindrome (50434443405).
The spelling of 20302223103 in words is "twenty billion, three hundred two million, two hundred twenty-three thousand, one hundred three".
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