Base | Representation |
---|---|
bin | 1101101001011111111101… |
… | …11001101001011110110011 |
3 | 10221021020100102022211101011 |
4 | 12310233332321221132303 |
5 | 12413214030013202011 |
6 | 143455514004051351 |
7 | 6215245253255503 |
oct | 664577671513663 |
9 | 127236312284334 |
10 | 30013213022131 |
11 | 9621594343159 |
12 | 3448918393b57 |
13 | 13993069a7541 |
14 | 75a90c127a03 |
15 | 370aa4ca8621 |
hex | 1b4bfee697b3 |
30013213022131 has 4 divisors (see below), whose sum is σ = 30013669791792. Its totient is φ = 30012756252472.
The previous prime is 30013213022081. The next prime is 30013213022147. The reversal of 30013213022131 is 13122031231003.
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 30013213022131 - 217 = 30013212891059 is a prime.
It is a super-2 number, since 2×300132130221312 (a number of 28 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30013213082131) 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, 228286255 + ... + 228417688.
It is an arithmetic number, because the mean of its divisors is an integer number (7503417447948).
Almost surely, 230013213022131 is an apocalyptic number.
30013213022131 is a deficient number, since it is larger than the sum of its proper divisors (456769661).
30013213022131 is an equidigital number, since it uses as much as digits as its factorization.
30013213022131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 456769660.
The product of its (nonzero) digits is 648, while the sum is 22.
Adding to 30013213022131 its reverse (13122031231003), we get a palindrome (43135244253134).
The spelling of 30013213022131 in words is "thirty trillion, thirteen billion, two hundred thirteen million, twenty-two thousand, one hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.083 sec. • engine limits •