Base | Representation |
---|---|
bin | 1000000001000111… |
… | …0001010011001110 |
3 | 12112222122010212002 |
4 | 2000101301103032 |
5 | 13401422021110 |
6 | 553315512302 |
7 | 104221622363 |
oct | 20021612316 |
9 | 5488563762 |
10 | 2152142030 |
11 | a04912185 |
12 | 5008b8692 |
13 | 283b4622c |
14 | 165b8046a |
15 | c8e16aa5 |
hex | 804714ce |
2152142030 has 32 divisors (see below), whose sum is σ = 4106946240. Its totient is φ = 809187840.
The previous prime is 2152142023. The next prime is 2152142033. The reversal of 2152142030 is 302412512.
It is a junction number, because it is equal to n+sod(n) for n = 2152141993 and 2152142011.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2152142033) 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, 133295 + ... + 148565.
It is an arithmetic number, because the mean of its divisors is an integer number (128342070).
Almost surely, 22152142030 is an apocalyptic number.
2152142030 is a deficient number, since it is larger than the sum of its proper divisors (1954804210).
2152142030 is a wasteful number, since it uses less digits than its factorization.
2152142030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16124.
The product of its (nonzero) digits is 480, while the sum is 20.
The square root of 2152142030 is about 46391.1848307413. The cubic root of 2152142030 is about 1291.0913645482.
Adding to 2152142030 its reverse (302412512), we get a palindrome (2454554542).
The spelling of 2152142030 in words is "two billion, one hundred fifty-two million, one hundred forty-two thousand, thirty".
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