Base | Representation |
---|---|
bin | 11100110010101100… |
… | …001011011011101010 |
3 | 2221210112102112122011 |
4 | 130302230023123222 |
5 | 1001303243304114 |
6 | 22111404150134 |
7 | 2143051655266 |
oct | 346254133352 |
9 | 87715375564 |
10 | 30915213034 |
11 | 12124917142 |
12 | 5ba953834a |
13 | 2bb8b87084 |
14 | 16d3c050a6 |
15 | c0e15d1c4 |
hex | 732b0b6ea |
30915213034 has 8 divisors (see below), whose sum is σ = 46467266688. Its totient is φ = 15426124140.
The previous prime is 30915213029. The next prime is 30915213053. The reversal of 30915213034 is 43031251903.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 30915212987 and 30915213005.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15739962 + ... + 15741925.
It is an arithmetic number, because the mean of its divisors is an integer number (5808408336).
Almost surely, 230915213034 is an apocalyptic number.
30915213034 is a deficient number, since it is larger than the sum of its proper divisors (15552053654).
30915213034 is a wasteful number, since it uses less digits than its factorization.
30915213034 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31482380.
The product of its (nonzero) digits is 9720, while the sum is 31.
Adding to 30915213034 its reverse (43031251903), we get a palindrome (73946464937).
It can be divided in two parts, 3091 and 5213034, that added together give a palindrome (5216125).
The spelling of 30915213034 in words is "thirty billion, nine hundred fifteen million, two hundred thirteen thousand, thirty-four".
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