Base | Representation |
---|---|
bin | 111111110110011… |
… | …0001011000010110 |
3 | 12112022101101022212 |
4 | 1333230301120112 |
5 | 13341431134110 |
6 | 552331553422 |
7 | 104043315410 |
oct | 17754613026 |
9 | 5468341285 |
10 | 2142443030 |
11 | 9aa398182 |
12 | 4b95bb872 |
13 | 281b2b690 |
14 | 1647779b0 |
15 | c814ce05 |
hex | 7fb31616 |
2142443030 has 64 divisors (see below), whose sum is σ = 4753824768. Its totient is φ = 676978560.
The previous prime is 2142443011. The next prime is 2142443041. The reversal of 2142443030 is 303442412.
It is a junction number, because it is equal to n+sod(n) for n = 2142442987 and 2142443005.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 736559 + ... + 739461.
It is an arithmetic number, because the mean of its divisors is an integer number (74278512).
Almost surely, 22142443030 is an apocalyptic number.
2142443030 is an abundant number, since it is smaller than the sum of its proper divisors (2611381738).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2142443030 is a wasteful number, since it uses less digits than its factorization.
2142443030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3741.
The product of its (nonzero) digits is 2304, while the sum is 23.
The square root of 2142443030 is about 46286.5318424269. The cubic root of 2142443030 is about 1289.1489348656.
Adding to 2142443030 its reverse (303442412), we get a palindrome (2445885442).
The spelling of 2142443030 in words is "two billion, one hundred forty-two million, four hundred forty-three thousand, thirty".
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