Base | Representation |
---|---|
bin | 11100100110000011… |
… | …001101111100111100 |
3 | 2221020202101120021111 |
4 | 130212003031330330 |
5 | 1000340001230420 |
6 | 22034351011404 |
7 | 2134565313346 |
oct | 344603157474 |
9 | 87222346244 |
10 | 30703148860 |
11 | 1202614419a |
12 | 5b4a509b64 |
13 | 2b83c67807 |
14 | 16b39a2296 |
15 | bea71e45a |
hex | 7260cdf3c |
30703148860 has 24 divisors (see below), whose sum is σ = 68269355280. Its totient is φ = 11558832384.
The previous prime is 30703148813. The next prime is 30703148863. The reversal of 30703148860 is 6884130703.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30703148863) by changing a digit.
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, 45151350 + ... + 45152029.
It is an arithmetic number, because the mean of its divisors is an integer number (2844556470).
Almost surely, 230703148860 is an apocalyptic number.
It is an amenable number.
30703148860 is an abundant number, since it is smaller than the sum of its proper divisors (37566206420).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30703148860 is a wasteful number, since it uses less digits than its factorization.
30703148860 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 90303405 (or 90303403 counting only the distinct ones).
The product of its (nonzero) digits is 96768, while the sum is 40.
The spelling of 30703148860 in words is "thirty billion, seven hundred three million, one hundred forty-eight thousand, eight hundred sixty".
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