Base | Representation |
---|---|
bin | 11100101110010011… |
… | …001001001101101000 |
3 | 2221121101210122021002 |
4 | 130232103021031220 |
5 | 1001130413311410 |
6 | 22100213134132 |
7 | 2141165530361 |
oct | 345623111550 |
9 | 87541718232 |
10 | 30841541480 |
11 | 12097278662 |
12 | 5b8892a348 |
13 | 2ba6831339 |
14 | 16c8108b68 |
15 | c079597a5 |
hex | 72e4c9368 |
30841541480 has 16 divisors (see below), whose sum is σ = 69393468420. Its totient is φ = 12336616576.
The previous prime is 30841541477. The next prime is 30841541483. The reversal of 30841541480 is 8414514803.
It is an interprime number because it is at equal distance from previous prime (30841541477) and next prime (30841541483).
It can be written as a sum of positive squares in 2 ways, for example, as 27853607236 + 2987934244 = 166894^2 + 54662^2 .
It is a super-4 number, since 4×308415414804 (a number of 43 digits) contains 4444 as substring.
It is not an unprimeable number, because it can be changed into a prime (30841541483) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 385519229 + ... + 385519308.
Almost surely, 230841541480 is an apocalyptic number.
It is an amenable number.
30841541480 is an abundant number, since it is smaller than the sum of its proper divisors (38551926940).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30841541480 is a wasteful number, since it uses less digits than its factorization.
30841541480 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 771038548 (or 771038544 counting only the distinct ones).
The product of its (nonzero) digits is 61440, while the sum is 38.
The spelling of 30841541480 in words is "thirty billion, eight hundred forty-one million, five hundred forty-one thousand, four hundred eighty".
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