Base | Representation |
---|---|
bin | 11100110011010011… |
… | …010000011011111100 |
3 | 2221211020200222220210 |
4 | 130303103100123330 |
5 | 1001313404112043 |
6 | 22112411512420 |
7 | 2143235022435 |
oct | 346323203374 |
9 | 87736628823 |
10 | 30925457148 |
11 | 1212a683753 |
12 | 5bb0a58710 |
13 | 2bbb032a91 |
14 | 16d531048c |
15 | c0eed3633 |
hex | 7334d06fc |
30925457148 has 24 divisors (see below), whose sum is σ = 72833789952. Its totient is φ = 10212144304.
The previous prime is 30925457137. The next prime is 30925457161. The reversal of 30925457148 is 84175452903.
It is a junction number, because it is equal to n+sod(n) for n = 30925457097 and 30925457106.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12041340 + ... + 12043907.
It is an arithmetic number, because the mean of its divisors is an integer number (3034741248).
Almost surely, 230925457148 is an apocalyptic number.
It is an amenable number.
30925457148 is an abundant number, since it is smaller than the sum of its proper divisors (41908332804).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30925457148 is a wasteful number, since it uses less digits than its factorization.
30925457148 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24085361 (or 24085359 counting only the distinct ones).
The product of its (nonzero) digits is 1209600, while the sum is 48.
The spelling of 30925457148 in words is "thirty billion, nine hundred twenty-five million, four hundred fifty-seven thousand, one hundred forty-eight".
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