Base | Representation |
---|---|
bin | 1101010011100000… |
… | …01011100100110000 |
3 | 200102210201022101001 |
4 | 12221300023210300 |
5 | 104112043301440 |
6 | 3140442051344 |
7 | 342003022501 |
oct | 65160134460 |
9 | 20383638331 |
10 | 7142947120 |
11 | 3036009991 |
12 | 14741a9b54 |
13 | 89ab0583a |
14 | 4ba92aba8 |
15 | 2bc153b9a |
hex | 1a9c0b930 |
7142947120 has 60 divisors (see below), whose sum is σ = 17641777104. Its totient is φ = 2689100800.
The previous prime is 7142947099. The next prime is 7142947157. The reversal of 7142947120 is 217492417.
It is a super-3 number, since 3×71429471203 (a number of 31 digits) contains 333 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 7142947120.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 131356 + ... + 177595.
Almost surely, 27142947120 is an apocalyptic number.
It is an amenable number.
7142947120 is an abundant number, since it is smaller than the sum of its proper divisors (10498829984).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7142947120 is a wasteful number, since it uses less digits than its factorization.
7142947120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 308998 (or 308975 counting only the distinct ones).
The product of its (nonzero) digits is 28224, while the sum is 37.
The square root of 7142947120 is about 84515.9577831311. The cubic root of 7142947120 is about 1925.8648720645.
The spelling of 7142947120 in words is "seven billion, one hundred forty-two million, nine hundred forty-seven thousand, one hundred twenty".
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