Base | Representation |
---|---|
bin | 11100001110100111… |
… | …111001111011111101 |
3 | 2220020100211021110120 |
4 | 130032213321323331 |
5 | 444033342104041 |
6 | 21531350525153 |
7 | 2122053465306 |
oct | 341647717375 |
9 | 86210737416 |
10 | 30310113021 |
11 | 119442a5591 |
12 | 5a5a9667b9 |
13 | 2b206c4026 |
14 | 16776d17ad |
15 | bc5e84366 |
hex | 70e9f9efd |
30310113021 has 16 divisors (see below), whose sum is σ = 40514967360. Its totient is φ = 20156048640.
The previous prime is 30310112983. The next prime is 30310113101. The reversal of 30310113021 is 12031101303.
It is not a de Polignac number, because 30310113021 - 213 = 30310104829 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30310111021) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3178741 + ... + 3188261.
It is an arithmetic number, because the mean of its divisors is an integer number (2532185460).
Almost surely, 230310113021 is an apocalyptic number.
It is an amenable number.
30310113021 is a deficient number, since it is larger than the sum of its proper divisors (10204854339).
30310113021 is a wasteful number, since it uses less digits than its factorization.
30310113021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12076.
The product of its (nonzero) digits is 54, while the sum is 15.
Adding to 30310113021 its reverse (12031101303), we get a palindrome (42341214324).
The spelling of 30310113021 in words is "thirty billion, three hundred ten million, one hundred thirteen thousand, twenty-one".
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