Base | Representation |
---|---|
bin | 111111111000000… |
… | …1111100110100100 |
3 | 12112101002121220210 |
4 | 1333300033212210 |
5 | 13342144301002 |
6 | 552403255420 |
7 | 104054126205 |
oct | 17760174644 |
9 | 5471077823 |
10 | 2143353252 |
11 | 9aa95a027 |
12 | 4b997a570 |
13 | 282089a81 |
14 | 1649335ac |
15 | c827c96c |
hex | 7fc0f9a4 |
2143353252 has 24 divisors (see below), whose sum is σ = 5002228000. Its totient is φ = 714298176.
The previous prime is 2143353241. The next prime is 2143353263. The reversal of 2143353252 is 2523533412.
It is an interprime number because it is at equal distance from previous prime (2143353241) and next prime (2143353263).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48999 + ... + 81777.
Almost surely, 22143353252 is an apocalyptic number.
It is an amenable number.
2143353252 is an abundant number, since it is smaller than the sum of its proper divisors (2858874748).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2143353252 is a wasteful number, since it uses less digits than its factorization.
2143353252 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 38235 (or 38233 counting only the distinct ones).
The product of its digits is 21600, while the sum is 30.
The square root of 2143353252 is about 46296.3632696997. The cubic root of 2143353252 is about 1289.3314750108.
Adding to 2143353252 its reverse (2523533412), we get a palindrome (4666886664).
The spelling of 2143353252 in words is "two billion, one hundred forty-three million, three hundred fifty-three thousand, two hundred fifty-two".
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