Base | Representation |
---|---|
bin | 11100101110010010… |
… | …000001010001101001 |
3 | 2221121101020200001221 |
4 | 130232102001101221 |
5 | 1001130324344300 |
6 | 22100202542041 |
7 | 2141163162334 |
oct | 345622012151 |
9 | 87541220057 |
10 | 30841246825 |
11 | 12097097244 |
12 | 5b88807921 |
13 | 2ba675a19c |
14 | 16c806d61b |
15 | c078ec31a |
hex | 72e481469 |
30841246825 has 12 divisors (see below), whose sum is σ = 39905892288. Its totient is φ = 23600258000.
The previous prime is 30841246783. The next prime is 30841246829. The reversal of 30841246825 is 52864214803.
It is a happy number.
It is not a de Polignac number, because 30841246825 - 27 = 30841246697 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30841246829) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26817901 + ... + 26819050.
It is an arithmetic number, because the mean of its divisors is an integer number (3325491024).
Almost surely, 230841246825 is an apocalyptic number.
It is an amenable number.
30841246825 is a deficient number, since it is larger than the sum of its proper divisors (9064645463).
30841246825 is a wasteful number, since it uses less digits than its factorization.
30841246825 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 53636984 (or 53636979 counting only the distinct ones).
The product of its (nonzero) digits is 368640, while the sum is 43.
The spelling of 30841246825 in words is "thirty billion, eight hundred forty-one million, two hundred forty-six thousand, eight hundred twenty-five".
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