Base | Representation |
---|---|
bin | 11100101000001110… |
… | …101001011000001001 |
3 | 2221100022011111221010 |
4 | 130220032221120021 |
5 | 1000423330333314 |
6 | 22042134234133 |
7 | 2135521063212 |
oct | 345016513011 |
9 | 87308144833 |
10 | 30739699209 |
11 | 12044838a9a |
12 | 5b5a7b5949 |
13 | 2b8b6c413b |
14 | 16b8798409 |
15 | beda3e059 |
hex | 7283a9609 |
30739699209 has 16 divisors (see below), whose sum is σ = 41746127040. Its totient is φ = 20114288640.
The previous prime is 30739699181. The next prime is 30739699247. The reversal of 30739699209 is 90299693703.
It is not a de Polignac number, because 30739699209 - 217 = 30739568137 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30739699909) 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, 22012 + ... + 248925.
It is an arithmetic number, because the mean of its divisors is an integer number (2609132940).
Almost surely, 230739699209 is an apocalyptic number.
It is an amenable number.
30739699209 is a deficient number, since it is larger than the sum of its proper divisors (11006427831).
30739699209 is a wasteful number, since it uses less digits than its factorization.
30739699209 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 271640.
The product of its (nonzero) digits is 4960116, while the sum is 57.
The spelling of 30739699209 in words is "thirty billion, seven hundred thirty-nine million, six hundred ninety-nine thousand, two hundred nine".
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