Base | Representation |
---|---|
bin | 10010111011110001… |
… | …010011011010001010 |
3 | 1221110211201202202201 |
4 | 102323301103122022 |
5 | 313114003230010 |
6 | 13201201150414 |
7 | 1316541165106 |
oct | 227361233212 |
9 | 57424652681 |
10 | 20330133130 |
11 | 8692914a1a |
12 | 3b3462b40a |
13 | 1bbcbc6198 |
14 | dac0a0906 |
15 | 7dec2d23a |
hex | 4bbc5368a |
20330133130 has 8 divisors (see below), whose sum is σ = 36594239652. Its totient is φ = 8132053248.
The previous prime is 20330133121. The next prime is 20330133137. The reversal of 20330133130 is 3133103302.
It can be written as a sum of positive squares in 2 ways, for example, as 20328771241 + 1361889 = 142579^2 + 1167^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 20330133098 and 20330133107.
It is not an unprimeable number, because it can be changed into a prime (20330133137) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1016506647 + ... + 1016506666.
Almost surely, 220330133130 is an apocalyptic number.
20330133130 is a deficient number, since it is larger than the sum of its proper divisors (16264106522).
20330133130 is a wasteful number, since it uses less digits than its factorization.
20330133130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2033013320.
The product of its (nonzero) digits is 486, while the sum is 19.
Adding to 20330133130 its reverse (3133103302), we get a palindrome (23463236432).
The spelling of 20330133130 in words is "twenty billion, three hundred thirty million, one hundred thirty-three thousand, one hundred thirty".
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