Base | Representation |
---|---|
bin | 10010111010010010… |
… | …111111100001101001 |
3 | 1221102010012201012220 |
4 | 102322102333201221 |
5 | 313041141111103 |
6 | 13154515224253 |
7 | 1316121065340 |
oct | 227222774151 |
9 | 57363181186 |
10 | 20305410153 |
11 | 867a969206 |
12 | 3b282a8089 |
13 | 1bb7a4b0c2 |
14 | da8aa6b57 |
15 | 7dc997c53 |
hex | 4ba4bf869 |
20305410153 has 32 divisors (see below), whose sum is σ = 32873660160. Its totient is φ = 10900189440.
The previous prime is 20305410121. The next prime is 20305410179. The reversal of 20305410153 is 35101450302.
It is not a de Polignac number, because 20305410153 - 25 = 20305410121 is a prime.
It is not an unprimeable number, because it can be changed into a prime (20305410193) 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 31 ways as a sum of consecutive naturals, for example, 428038 + ... + 473103.
It is an arithmetic number, because the mean of its divisors is an integer number (1027301880).
Almost surely, 220305410153 is an apocalyptic number.
It is an amenable number.
20305410153 is a deficient number, since it is larger than the sum of its proper divisors (12568250007).
20305410153 is a wasteful number, since it uses less digits than its factorization.
20305410153 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 901217.
The product of its (nonzero) digits is 1800, while the sum is 24.
Adding to 20305410153 its reverse (35101450302), we get a palindrome (55406860455).
The spelling of 20305410153 in words is "twenty billion, three hundred five million, four hundred ten thousand, one hundred fifty-three".
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