Base | Representation |
---|---|
bin | 110101110011111110… |
… | …001000001001101000 |
3 | 12112010210201100211221 |
4 | 311303332020021220 |
5 | 1421313220203000 |
6 | 42313251031424 |
7 | 4113563642056 |
oct | 656376101150 |
9 | 175123640757 |
10 | 57780241000 |
11 | 22560492299 |
12 | b24659b574 |
13 | 55aa8cb021 |
14 | 2b21b511d6 |
15 | 178293161a |
hex | d73f88268 |
57780241000 has 32 divisors (see below), whose sum is σ = 135205766280. Its totient is φ = 23112096000.
The previous prime is 57780240997. The next prime is 57780241003. The reversal of 57780241000 is 14208775.
It is a happy number.
57780241000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (57780240997) and next prime (57780241003).
It can be written as a sum of positive squares in 4 ways, for example, as 8610726436 + 49169514564 = 92794^2 + 221742^2 .
It is not an unprimeable number, because it can be changed into a prime (57780241003) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28889121 + ... + 28891120.
Almost surely, 257780241000 is an apocalyptic number.
57780241000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.
It is an amenable number.
57780241000 is an abundant number, since it is smaller than the sum of its proper divisors (77425525280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57780241000 is a wasteful number, since it uses less digits than its factorization.
57780241000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 57780262 (or 57780248 counting only the distinct ones).
The product of its (nonzero) digits is 15680, while the sum is 34.
Adding to 57780241000 its reverse (14208775), we get a palindrome (57794449775).
The spelling of 57780241000 in words is "fifty-seven billion, seven hundred eighty million, two hundred forty-one thousand".
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