Base | Representation |
---|---|
bin | 1100110100000011001… |
… | …0011101100101111011 |
3 | 210001012020222222221102 |
4 | 3031000302131211323 |
5 | 12101311324133311 |
6 | 245043152202015 |
7 | 21622014461042 |
oct | 3150062354573 |
9 | 701166888842 |
10 | 220130302331 |
11 | 853a18a92a5 |
12 | 367b523930b |
13 | 179b19ba084 |
14 | a923805559 |
15 | 5ad587d43b |
hex | 3340c9d97b |
220130302331 has 4 divisors (see below), whose sum is σ = 220226810664. Its totient is φ = 220033794000.
The previous prime is 220130302319. The next prime is 220130302373. The reversal of 220130302331 is 133203031022.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 133203031022 = 2 ⋅66601515511.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-220130302331 is a prime.
It is a super-2 number, since 2×2201303023312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (220130301331) 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, 48250745 + ... + 48255306.
It is an arithmetic number, because the mean of its divisors is an integer number (55056702666).
Almost surely, 2220130302331 is an apocalyptic number.
220130302331 is a deficient number, since it is larger than the sum of its proper divisors (96508333).
220130302331 is an equidigital number, since it uses as much as digits as its factorization.
220130302331 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 96508332.
The product of its (nonzero) digits is 648, while the sum is 20.
Adding to 220130302331 its reverse (133203031022), we get a palindrome (353333333353).
The spelling of 220130302331 in words is "two hundred twenty billion, one hundred thirty million, three hundred two thousand, three hundred thirty-one".
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