Base | Representation |
---|---|
bin | 10010101011111101… |
… | …111110100101001010 |
3 | 1220210100212122020120 |
4 | 102223331332211022 |
5 | 312043121121414 |
6 | 13115011004110 |
7 | 1310141600160 |
oct | 225375764512 |
9 | 56710778216 |
10 | 20065020234 |
11 | 85671a9756 |
12 | 3a7b899636 |
13 | 1b79cc194c |
14 | d84bad230 |
15 | 7c68112a9 |
hex | 4abf7e94a |
20065020234 has 16 divisors (see below), whose sum is σ = 45862903488. Its totient is φ = 5732862912.
The previous prime is 20065020193. The next prime is 20065020247. The reversal of 20065020234 is 43202056002.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238869247 + ... + 238869330.
It is an arithmetic number, because the mean of its divisors is an integer number (2866431468).
Almost surely, 220065020234 is an apocalyptic number.
20065020234 is an abundant number, since it is smaller than the sum of its proper divisors (25797883254).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20065020234 is a wasteful number, since it uses less digits than its factorization.
20065020234 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 477738589.
The product of its (nonzero) digits is 2880, while the sum is 24.
Adding to 20065020234 its reverse (43202056002), we get a palindrome (63267076236).
The spelling of 20065020234 in words is "twenty billion, sixty-five million, twenty thousand, two hundred thirty-four".
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