Base | Representation |
---|---|
bin | 11100110001101101… |
… | …111010010110101001 |
3 | 2221202101201020212000 |
4 | 130301231322112221 |
5 | 1001240103441103 |
6 | 22110022241213 |
7 | 2142463142565 |
oct | 346155722651 |
9 | 87671636760 |
10 | 30898890153 |
11 | 1211668855a |
12 | 5ba3b86209 |
13 | 2bb5690571 |
14 | 16d19966a5 |
15 | c0c9d6aa3 |
hex | 731b7a5a9 |
30898890153 has 16 divisors (see below), whose sum is σ = 45856324800. Its totient is φ = 20563174080.
The previous prime is 30898890151. The next prime is 30898890157. The reversal of 30898890153 is 35109889803.
It is not a de Polignac number, because 30898890153 - 21 = 30898890151 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 30898890153.
It is not an unprimeable number, because it can be changed into a prime (30898890151) 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, 986688 + ... + 1017521.
It is an arithmetic number, because the mean of its divisors is an integer number (2866020300).
Almost surely, 230898890153 is an apocalyptic number.
It is an amenable number.
30898890153 is a deficient number, since it is larger than the sum of its proper divisors (14957434647).
30898890153 is a wasteful number, since it uses less digits than its factorization.
30898890153 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2004789 (or 2004783 counting only the distinct ones).
The product of its (nonzero) digits is 1866240, while the sum is 54.
The spelling of 30898890153 in words is "thirty billion, eight hundred ninety-eight million, eight hundred ninety thousand, one hundred fifty-three".
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