Base | Representation |
---|---|
bin | 10010101011000101… |
… | …101100001000110110 |
3 | 1220202100002222100201 |
4 | 102223011230020312 |
5 | 312030331432010 |
6 | 13113322431114 |
7 | 1306602303004 |
oct | 225305541066 |
9 | 56670088321 |
10 | 20050264630 |
11 | 8559940640 |
12 | 3a7696249a |
13 | 1b76c26616 |
14 | d82c4ba74 |
15 | 7c539923a |
hex | 4ab16c236 |
20050264630 has 64 divisors (see below), whose sum is σ = 40675239936. Its totient is φ = 7049952000.
The previous prime is 20050264579. The next prime is 20050264649. The reversal of 20050264630 is 3646205002.
It is a happy number.
It is a super-2 number, since 2×200502646302 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7340365 + ... + 7343095.
It is an arithmetic number, because the mean of its divisors is an integer number (635550624).
Almost surely, 220050264630 is an apocalyptic number.
20050264630 is an abundant number, since it is smaller than the sum of its proper divisors (20624975306).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20050264630 is a wasteful number, since it uses less digits than its factorization.
20050264630 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4933.
The product of its (nonzero) digits is 8640, while the sum is 28.
Adding to 20050264630 its reverse (3646205002), we get a palindrome (23696469632).
The spelling of 20050264630 in words is "twenty billion, fifty million, two hundred sixty-four thousand, six hundred thirty".
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