Base | Representation |
---|---|
bin | 11100001110101100… |
… | …110110110101001111 |
3 | 2220020110021012222201 |
4 | 130032230312311033 |
5 | 444034210123043 |
6 | 21531434422331 |
7 | 2122100512465 |
oct | 341654666517 |
9 | 86213235881 |
10 | 30311411023 |
11 | 11945001813 |
12 | 5a5b2919a7 |
13 | 2b20a59a8a |
14 | 167794c835 |
15 | bc613dc4d |
hex | 70eb36d4f |
30311411023 has 4 divisors (see below), whose sum is σ = 30311768808. Its totient is φ = 30311053240.
The previous prime is 30311410993. The next prime is 30311411029. The reversal of 30311411023 is 32011411303.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 32011411303 = 103 ⋅310790401.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30311411023 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30311411029) 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, 27765 + ... + 247777.
It is an arithmetic number, because the mean of its divisors is an integer number (7577942202).
Almost surely, 230311411023 is an apocalyptic number.
30311411023 is a deficient number, since it is larger than the sum of its proper divisors (357785).
30311411023 is a wasteful number, since it uses less digits than its factorization.
30311411023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 357784.
The product of its (nonzero) digits is 216, while the sum is 19.
Adding to 30311411023 its reverse (32011411303), we get a palindrome (62322822326).
The spelling of 30311411023 in words is "thirty billion, three hundred eleven million, four hundred eleven thousand, twenty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.081 sec. • engine limits •