Base | Representation |
---|---|
bin | 11100001001110010… |
… | …010100010011011100 |
3 | 2220000201010002111001 |
4 | 130021302110103130 |
5 | 443402103101010 |
6 | 21515331240044 |
7 | 2120046614110 |
oct | 341162242334 |
9 | 86021102431 |
10 | 30228956380 |
11 | 11902504387 |
12 | 5a37749024 |
13 | 2b0994a34c |
14 | 166aa07740 |
15 | bbdca2c3a |
hex | 709c944dc |
30228956380 has 24 divisors (see below), whose sum is σ = 72549495648. Its totient is φ = 10364213568.
The previous prime is 30228956353. The next prime is 30228956411. The reversal of 30228956380 is 8365982203.
It is a self number, because there is not a number n which added to its sum of digits gives 30228956380.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107960419 + ... + 107960698.
It is an arithmetic number, because the mean of its divisors is an integer number (3022895652).
Almost surely, 230228956380 is an apocalyptic number.
It is an amenable number.
30228956380 is an abundant number, since it is smaller than the sum of its proper divisors (42320539268).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30228956380 is a wasteful number, since it uses less digits than its factorization.
30228956380 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 215921133 (or 215921131 counting only the distinct ones).
The product of its (nonzero) digits is 622080, while the sum is 46.
The spelling of 30228956380 in words is "thirty billion, two hundred twenty-eight million, nine hundred fifty-six thousand, three hundred eighty".
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