Base | Representation |
---|---|
bin | 111111110101110… |
… | …0101000000110000 |
3 | 12112021210111020110 |
4 | 1333223211000300 |
5 | 13341341131344 |
6 | 552321141320 |
7 | 104040543423 |
oct | 17753450060 |
9 | 5467714213 |
10 | 2142130224 |
11 | 9aa1a4163 |
12 | 4b948a840 |
13 | 281a4c1a0 |
14 | 1646d59ba |
15 | c80da3b9 |
hex | 7fae5030 |
2142130224 has 80 divisors (see below), whose sum is σ = 6273209600. Its totient is φ = 624423168.
The previous prime is 2142130223. The next prime is 2142130273. The reversal of 2142130224 is 4220312412.
2142130224 = T477 + T478 + ... + T2348.
It is a self number, because there is not a number n which added to its sum of digits gives 2142130224.
It is not an unprimeable number, because it can be changed into a prime (2142130223) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78484 + ... + 102195.
It is an arithmetic number, because the mean of its divisors is an integer number (78415120).
Almost surely, 22142130224 is an apocalyptic number.
2142130224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
It is an amenable number.
2142130224 is an abundant number, since it is smaller than the sum of its proper divisors (4131079376).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2142130224 is a wasteful number, since it uses less digits than its factorization.
2142130224 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 180722 (or 180716 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 21.
The square root of 2142130224 is about 46283.1527016041. The cubic root of 2142130224 is about 1289.0861913615.
Adding to 2142130224 its reverse (4220312412), we get a palindrome (6362442636).
The spelling of 2142130224 in words is "two billion, one hundred forty-two million, one hundred thirty thousand, two hundred twenty-four".
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