Base | Representation |
---|---|
bin | 111111110111100… |
… | …0110000101111000 |
3 | 12112100112022212221 |
4 | 1333233012011320 |
5 | 13342110132102 |
6 | 552353013424 |
7 | 104051433313 |
oct | 17757060570 |
9 | 5470468787 |
10 | 2143052152 |
11 | 9aa77388a |
12 | 4b9854274 |
13 | 281cb29c7 |
14 | 16489597a |
15 | c821d637 |
hex | 7fbc6178 |
2143052152 has 8 divisors (see below), whose sum is σ = 4018222800. Its totient is φ = 1071526072.
The previous prime is 2143052141. The next prime is 2143052203. The reversal of 2143052152 is 2512503412.
It is a tau number, because it is divible by the number of its divisors (8).
It is a super-2 number, since 2×21430521522 = 9185345052383662208, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133940752 + ... + 133940767.
It is an arithmetic number, because the mean of its divisors is an integer number (502277850).
Almost surely, 22143052152 is an apocalyptic number.
It is an amenable number.
2143052152 is a deficient number, since it is larger than the sum of its proper divisors (1875170648).
2143052152 is a wasteful number, since it uses less digits than its factorization.
2143052152 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 267881525 (or 267881521 counting only the distinct ones).
The product of its (nonzero) digits is 2400, while the sum is 25.
The square root of 2143052152 is about 46293.1112801894. Note that the first 3 decimals coincide. The cubic root of 2143052152 is about 1289.2710967403.
Adding to 2143052152 its reverse (2512503412), we get a palindrome (4655555564).
The spelling of 2143052152 in words is "two billion, one hundred forty-three million, fifty-two thousand, one hundred fifty-two".
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