Base | Representation |
---|---|
bin | 11100001110111110… |
… | …110100110101010001 |
3 | 2220020210010112110001 |
4 | 130032332310311101 |
5 | 444041411341200 |
6 | 21532123410001 |
7 | 2122155531442 |
oct | 341676646521 |
9 | 86223115401 |
10 | 30316121425 |
11 | 11947729807 |
12 | 5a60983901 |
13 | 2b21a18ab5 |
14 | 16784172c9 |
15 | bc676e76a |
hex | 70efb4d51 |
30316121425 has 24 divisors (see below), whose sum is σ = 38278737504. Its totient is φ = 23813429760.
The previous prime is 30316121411. The next prime is 30316121447. The reversal of 30316121425 is 52412161303.
It is not a de Polignac number, because 30316121425 - 211 = 30316119377 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30316121393 and 30316121402.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 293409 + ... + 383041.
It is an arithmetic number, because the mean of its divisors is an integer number (1594947396).
Almost surely, 230316121425 is an apocalyptic number.
It is an amenable number.
30316121425 is a deficient number, since it is larger than the sum of its proper divisors (7962616079).
30316121425 is a wasteful number, since it uses less digits than its factorization.
30316121425 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 89889 (or 89884 counting only the distinct ones).
The product of its (nonzero) digits is 4320, while the sum is 28.
Adding to 30316121425 its reverse (52412161303), we get a palindrome (82728282728).
The spelling of 30316121425 in words is "thirty billion, three hundred sixteen million, one hundred twenty-one thousand, four hundred twenty-five".
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