Base | Representation |
---|---|
bin | 1101010011100010… |
… | …10011000111001100 |
3 | 200102211021012022122 |
4 | 12221301103013030 |
5 | 104112132141030 |
6 | 3140452232112 |
7 | 342005353001 |
oct | 65161230714 |
9 | 20384235278 |
10 | 7143240140 |
11 | 303619a053 |
12 | 147430b638 |
13 | 89aba901a |
14 | 4ba9a58a8 |
15 | 2bc1b08e5 |
hex | 1a9c531cc |
7143240140 has 24 divisors (see below), whose sum is σ = 15022542192. Its totient is φ = 2853155520.
The previous prime is 7143240107. The next prime is 7143240173. The reversal of 7143240140 is 410423417.
It is an interprime number because it is at equal distance from previous prime (7143240107) and next prime (7143240173).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 244619 + ... + 272258.
It is an arithmetic number, because the mean of its divisors is an integer number (625939258).
Almost surely, 27143240140 is an apocalyptic number.
It is an amenable number.
7143240140 is an abundant number, since it is smaller than the sum of its proper divisors (7879302052).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7143240140 is a wasteful number, since it uses less digits than its factorization.
7143240140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 517577 (or 517575 counting only the distinct ones).
The product of its (nonzero) digits is 2688, while the sum is 26.
The square root of 7143240140 is about 84517.6912841329. The cubic root of 7143240140 is about 1925.8912061625.
Adding to 7143240140 its reverse (410423417), we get a palindrome (7553663557).
The spelling of 7143240140 in words is "seven billion, one hundred forty-three million, two hundred forty thousand, one hundred forty".
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