Base | Representation |
---|---|
bin | 11100001010110011… |
… | …111000110100011001 |
3 | 2220001220110101020220 |
4 | 130022303320310121 |
5 | 443421003122210 |
6 | 21521143510253 |
7 | 2120345664435 |
oct | 341263706431 |
9 | 86056411226 |
10 | 30246145305 |
11 | 11911184702 |
12 | 5a41458389 |
13 | 2b103880cc |
14 | 166cddd9c5 |
15 | bc054ac70 |
hex | 70acf8d19 |
30246145305 has 16 divisors (see below), whose sum is σ = 48423873600. Its totient is φ = 16121263808.
The previous prime is 30246145253. The next prime is 30246145309. The reversal of 30246145305 is 50354164203.
It is a cyclic number.
It is not a de Polignac number, because 30246145305 - 29 = 30246144793 is a prime.
It is a super-2 number, since 2×302461453052 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (30246145309) 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, 600855 + ... + 649244.
It is an arithmetic number, because the mean of its divisors is an integer number (3026492100).
Almost surely, 230246145305 is an apocalyptic number.
It is an amenable number.
30246145305 is a deficient number, since it is larger than the sum of its proper divisors (18177728295).
30246145305 is a wasteful number, since it uses less digits than its factorization.
30246145305 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1251720.
The product of its (nonzero) digits is 43200, while the sum is 33.
The spelling of 30246145305 in words is "thirty billion, two hundred forty-six million, one hundred forty-five thousand, three hundred five".
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