Base | Representation |
---|---|
bin | 11011111100001011… |
… | …000000110100001100 |
3 | 2212102210022210122100 |
4 | 123330023000310030 |
5 | 442420120033012 |
6 | 21440531515100 |
7 | 2111304313551 |
oct | 337413006414 |
9 | 85383283570 |
10 | 30000549132 |
11 | 117a5589664 |
12 | 5993158a90 |
13 | 2aa1528028 |
14 | 164854ca28 |
15 | ba8bd68dc |
hex | 6fc2c0d0c |
30000549132 has 36 divisors (see below), whose sum is σ = 77448230496. Its totient is φ = 9787412640.
The previous prime is 30000549109. The next prime is 30000549133. The reversal of 30000549132 is 23194500003.
It is a tau number, because it is divible by the number of its divisors (36).
It is a junction number, because it is equal to n+sod(n) for n = 30000549096 and 30000549105.
It is not an unprimeable number, because it can be changed into a prime (30000549133) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8863719 + ... + 8867102.
It is an arithmetic number, because the mean of its divisors is an integer number (2151339736).
Almost surely, 230000549132 is an apocalyptic number.
It is an amenable number.
30000549132 is an abundant number, since it is smaller than the sum of its proper divisors (47447681364).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30000549132 is a wasteful number, since it uses less digits than its factorization.
30000549132 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17730878 (or 17730873 counting only the distinct ones).
The product of its (nonzero) digits is 3240, while the sum is 27.
The spelling of 30000549132 in words is "thirty billion, five hundred forty-nine thousand, one hundred thirty-two".
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