Base | Representation |
---|---|
bin | 11100001110101000… |
… | …010100110010100011 |
3 | 2220020101000212100021 |
4 | 130032220110302203 |
5 | 444033404114021 |
6 | 21531353134311 |
7 | 2122054434055 |
oct | 341650246243 |
9 | 86211025307 |
10 | 30310223011 |
11 | 11944370192 |
12 | 5a5a9ba397 |
13 | 2b20732103 |
14 | 167771d8d5 |
15 | bc5ea6c41 |
hex | 70ea14ca3 |
30310223011 has 4 divisors (see below), whose sum is σ = 30693896800. Its totient is φ = 29926549224.
The previous prime is 30310222993. The next prime is 30310223017. The reversal of 30310223011 is 11032201303.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 30310223011 - 27 = 30310222883 is a prime.
It is a super-2 number, since 2×303102230112 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30310223017) 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, 191836776 + ... + 191836933.
It is an arithmetic number, because the mean of its divisors is an integer number (7673474200).
Almost surely, 230310223011 is an apocalyptic number.
30310223011 is a deficient number, since it is larger than the sum of its proper divisors (383673789).
30310223011 is an equidigital number, since it uses as much as digits as its factorization.
30310223011 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 383673788.
The product of its (nonzero) digits is 108, while the sum is 16.
Adding to 30310223011 its reverse (11032201303), we get a palindrome (41342424314).
The spelling of 30310223011 in words is "thirty billion, three hundred ten million, two hundred twenty-three thousand, eleven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.147 sec. • engine limits •