Base | Representation |
---|---|
bin | 11011111100100110… |
… | …111000011111100011 |
3 | 2212110022001222111211 |
4 | 123330212320133203 |
5 | 442424002330300 |
6 | 21441352250551 |
7 | 2111423362642 |
oct | 337446703743 |
9 | 85408058454 |
10 | 30007855075 |
11 | 117a9719730 |
12 | 59956a0a57 |
13 | 2aa2bb5583 |
14 | 16494d1359 |
15 | ba967b4ba |
hex | 6fc9b87e3 |
30007855075 has 24 divisors (see below), whose sum is σ = 41901889536. Its totient is φ = 21119892000.
The previous prime is 30007855063. The next prime is 30007855091. The reversal of 30007855075 is 57055870003.
It is not a de Polignac number, because 30007855075 - 25 = 30007855043 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1751467 + ... + 1768516.
It is an arithmetic number, because the mean of its divisors is an integer number (1745912064).
Almost surely, 230007855075 is an apocalyptic number.
30007855075 is a deficient number, since it is larger than the sum of its proper divisors (11894034461).
30007855075 is a wasteful number, since it uses less digits than its factorization.
30007855075 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3520035 (or 3520030 counting only the distinct ones).
The product of its (nonzero) digits is 147000, while the sum is 40.
The spelling of 30007855075 in words is "thirty billion, seven million, eight hundred fifty-five thousand, seventy-five".
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