Base | Representation |
---|---|
bin | 11100000100000100… |
… | …101101101101110101 |
3 | 2212210000202212212122 |
4 | 130010010231231311 |
5 | 443203034201030 |
6 | 21502025125325 |
7 | 2114504154314 |
oct | 340404555565 |
9 | 85700685778 |
10 | 30133115765 |
11 | 118633a3965 |
12 | 5a0b629845 |
13 | 2ac2b31b1c |
14 | 165bdba27b |
15 | bb56708e5 |
hex | 70412db75 |
30133115765 has 4 divisors (see below), whose sum is σ = 36159738924. Its totient is φ = 24106492608.
The previous prime is 30133115737. The next prime is 30133115777. The reversal of 30133115765 is 56751133103.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 8912492836 + 21220622929 = 94406^2 + 145673^2 .
It is a cyclic number.
It is not a de Polignac number, because 30133115765 - 210 = 30133114741 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3013311572 + ... + 3013311581.
It is an arithmetic number, because the mean of its divisors is an integer number (9039934731).
Almost surely, 230133115765 is an apocalyptic number.
It is an amenable number.
30133115765 is a deficient number, since it is larger than the sum of its proper divisors (6026623159).
30133115765 is an equidigital number, since it uses as much as digits as its factorization.
30133115765 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6026623158.
The product of its (nonzero) digits is 28350, while the sum is 35.
Adding to 30133115765 its reverse (56751133103), we get a palindrome (86884248868).
The spelling of 30133115765 in words is "thirty billion, one hundred thirty-three million, one hundred fifteen thousand, seven hundred sixty-five".
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