Base | Representation |
---|---|
bin | 11100100101001010… |
… | …011011001101010110 |
3 | 2221012201101011220102 |
4 | 130211022123031112 |
5 | 1000322143322300 |
6 | 22033055534102 |
7 | 2134324625354 |
oct | 344512331526 |
9 | 87181334812 |
10 | 30688260950 |
11 | 120187a5736 |
12 | 5b4552a332 |
13 | 2b80b541b9 |
14 | 16b1a087d4 |
15 | be927d0d5 |
hex | 72529b356 |
30688260950 has 24 divisors (see below), whose sum is σ = 57529627392. Its totient is φ = 12178645920.
The previous prime is 30688260949. The next prime is 30688260961. The reversal of 30688260950 is 5906288603.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 30688260895 and 30688260904.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2410049 + ... + 2422748.
It is an arithmetic number, because the mean of its divisors is an integer number (2397067808).
Almost surely, 230688260950 is an apocalyptic number.
30688260950 is a deficient number, since it is larger than the sum of its proper divisors (26841366442).
30688260950 is a wasteful number, since it uses less digits than its factorization.
30688260950 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4832936 (or 4832931 counting only the distinct ones).
The product of its (nonzero) digits is 622080, while the sum is 47.
The spelling of 30688260950 in words is "thirty billion, six hundred eighty-eight million, two hundred sixty thousand, nine hundred fifty".
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