Base | Representation |
---|---|
bin | 10101011101111101… |
… | …110110001010101101 |
3 | 2012111111010220102011 |
4 | 111131331312022231 |
5 | 334202120031341 |
6 | 14331210001221 |
7 | 1444143034243 |
oct | 253575661255 |
9 | 65444126364 |
10 | 23051330221 |
11 | 9859969637 |
12 | 4573a16211 |
13 | 22348c1b8a |
14 | 1189650793 |
15 | 8eda9db81 |
hex | 55df762ad |
23051330221 has 8 divisors (see below), whose sum is σ = 23593005920. Its totient is φ = 22509909072.
The previous prime is 23051330209. The next prime is 23051330257. The reversal of 23051330221 is 12203315032.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 23051330221 - 211 = 23051328173 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 23051330192 and 23051330201.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23051330201) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126175 + ... + 249043.
It is an arithmetic number, because the mean of its divisors is an integer number (2949125740).
Almost surely, 223051330221 is an apocalyptic number.
It is an amenable number.
23051330221 is a deficient number, since it is larger than the sum of its proper divisors (541675699).
23051330221 is a wasteful number, since it uses less digits than its factorization.
23051330221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 127275.
The product of its (nonzero) digits is 1080, while the sum is 22.
Adding to 23051330221 its reverse (12203315032), we get a palindrome (35254645253).
The spelling of 23051330221 in words is "twenty-three billion, fifty-one million, three hundred thirty thousand, two hundred twenty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •