Base | Representation |
---|---|
bin | 10010111011110101… |
… | …110000100111010010 |
3 | 1221110220221010020101 |
4 | 102323311300213102 |
5 | 313114303120310 |
6 | 13201242203014 |
7 | 1316554131664 |
oct | 227365604722 |
9 | 57426833211 |
10 | 20331301330 |
11 | 869354267a |
12 | 3b34ab346a |
13 | 1bc0214b22 |
14 | dac2c6534 |
15 | 7dedae43a |
hex | 4bbd709d2 |
20331301330 has 32 divisors (see below), whose sum is σ = 38008723968. Its totient is φ = 7821878400.
The previous prime is 20331301307. The next prime is 20331301337. The reversal of 20331301330 is 3310313302.
It is a junction number, because it is equal to n+sod(n) for n = 20331301298 and 20331301307.
It is not an unprimeable number, because it can be changed into a prime (20331301337) 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 15 ways as a sum of consecutive naturals, for example, 150651 + ... + 251710.
It is an arithmetic number, because the mean of its divisors is an integer number (1187772624).
Almost surely, 220331301330 is an apocalyptic number.
20331301330 is a deficient number, since it is larger than the sum of its proper divisors (17677422638).
20331301330 is a wasteful number, since it uses less digits than its factorization.
20331301330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 402562.
The product of its (nonzero) digits is 486, while the sum is 19.
Adding to 20331301330 its reverse (3310313302), we get a palindrome (23641614632).
The spelling of 20331301330 in words is "twenty billion, three hundred thirty-one million, three hundred one thousand, three hundred thirty".
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