Base | Representation |
---|---|
bin | 10010111010000111… |
… | …010101101001010110 |
3 | 1221101220110111101012 |
4 | 102322013111221112 |
5 | 313034400330110 |
6 | 13154325532222 |
7 | 1316053112306 |
oct | 227207255126 |
9 | 57356414335 |
10 | 20302355030 |
11 | 8679171911 |
12 | 3b27274072 |
13 | 1bb721b639 |
14 | da850d606 |
15 | 7dc592905 |
hex | 4ba1d5a56 |
20302355030 has 16 divisors (see below), whose sum is σ = 36589314384. Its totient is φ = 8110925280.
The previous prime is 20302355027. The next prime is 20302355041. The reversal of 20302355030 is 3055320302.
It is a junction number, because it is equal to n+sod(n) for n = 20302354987 and 20302355005.
It is a congruent 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, 1243577 + ... + 1259796.
It is an arithmetic number, because the mean of its divisors is an integer number (2286832149).
Almost surely, 220302355030 is an apocalyptic number.
20302355030 is a deficient number, since it is larger than the sum of its proper divisors (16286959354).
20302355030 is a wasteful number, since it uses less digits than its factorization.
20302355030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2504191.
The product of its (nonzero) digits is 2700, while the sum is 23.
Adding to 20302355030 its reverse (3055320302), we get a palindrome (23357675332).
The spelling of 20302355030 in words is "twenty billion, three hundred two million, three hundred fifty-five thousand, thirty".
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