Base | Representation |
---|---|
bin | 11100110011000110… |
… | …101101010001110001 |
3 | 2221211000111212020121 |
4 | 130303012231101301 |
5 | 1001312033324114 |
6 | 22112213210241 |
7 | 2143165041400 |
oct | 346306552161 |
9 | 87730455217 |
10 | 30922167409 |
11 | 12128837061 |
12 | 5bab930981 |
13 | 2bba4505a3 |
14 | 16d4ad5637 |
15 | c0ea83a24 |
hex | 7331ad471 |
30922167409 has 9 divisors (see below), whose sum is σ = 35972116491. Its totient is φ = 26503659840.
The previous prime is 30922167377. The next prime is 30922167467. The reversal of 30922167409 is 90476122903.
The square root of 30922167409 is 175847.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 14042961009 + 16879206400 = 118503^2 + 129920^2 .
It is not a de Polignac number, because 30922167409 - 25 = 30922167377 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30922167499) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1218369 + ... + 1243489.
Almost surely, 230922167409 is an apocalyptic number.
30922167409 is the 175847-th square number.
30922167409 is the 87924-th centered octagonal number.
It is an amenable number.
30922167409 is a deficient number, since it is larger than the sum of its proper divisors (5049949082).
30922167409 is an frugal number, since it uses more digits than its factorization.
30922167409 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 50256 (or 25128 counting only the distinct ones).
The product of its (nonzero) digits is 163296, while the sum is 43.
The spelling of 30922167409 in words is "thirty billion, nine hundred twenty-two million, one hundred sixty-seven thousand, four hundred nine".
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