Base | Representation |
---|---|
bin | 11100010101110101… |
… | …110101010010011111 |
3 | 2220112210200100202120 |
4 | 130111311311102133 |
5 | 444310342021021 |
6 | 21551354154023 |
7 | 2125053653601 |
oct | 342565652237 |
9 | 86483610676 |
10 | 30431204511 |
11 | 119a66923a4 |
12 | 5a93422913 |
13 | 2b3c8109b6 |
14 | 1689813171 |
15 | bd19032c6 |
hex | 715d7549f |
30431204511 has 8 divisors (see below), whose sum is σ = 40597703040. Its totient is φ = 20276087832.
The previous prime is 30431204497. The next prime is 30431204513. The reversal of 30431204511 is 11540213403.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30431204511 - 210 = 30431203487 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30431204513) 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, 2839221 + ... + 2849918.
It is an arithmetic number, because the mean of its divisors is an integer number (5074712880).
Almost surely, 230431204511 is an apocalyptic number.
30431204511 is a deficient number, since it is larger than the sum of its proper divisors (10166498529).
30431204511 is a wasteful number, since it uses less digits than its factorization.
30431204511 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5690925.
The product of its (nonzero) digits is 1440, while the sum is 24.
Adding to 30431204511 its reverse (11540213403), we get a palindrome (41971417914).
The spelling of 30431204511 in words is "thirty billion, four hundred thirty-one million, two hundred four thousand, five hundred eleven".
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