Base | Representation |
---|---|
bin | 11100011011011101… |
… | …100011111111111000 |
3 | 2220210101010100102211 |
4 | 130123131203333320 |
5 | 1000004012134103 |
6 | 22005003304504 |
7 | 2130310341640 |
oct | 343335437770 |
9 | 86711110384 |
10 | 30525505528 |
11 | 11a44941121 |
12 | 5abab1b134 |
13 | 2b5620a50b |
14 | 169815d520 |
15 | bd9d2e36d |
hex | 71b763ff8 |
30525505528 has 32 divisors (see below), whose sum is σ = 66059451360. Its totient is φ = 12952828800.
The previous prime is 30525505523. The next prime is 30525505553. The reversal of 30525505528 is 82550552503.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30525505523) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2692851 + ... + 2704162.
It is an arithmetic number, because the mean of its divisors is an integer number (2064357855).
Almost surely, 230525505528 is an apocalyptic number.
It is an amenable number.
30525505528 is an abundant number, since it is smaller than the sum of its proper divisors (35533945832).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30525505528 is a wasteful number, since it uses less digits than its factorization.
30525505528 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5397127 (or 5397123 counting only the distinct ones).
The product of its (nonzero) digits is 300000, while the sum is 40.
The spelling of 30525505528 in words is "thirty billion, five hundred twenty-five million, five hundred five thousand, five hundred twenty-eight".
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