Base | Representation |
---|---|
bin | 1011111110000011… |
… | …0010001001000000 |
3 | 22021220220110100110 |
4 | 2333200302021000 |
5 | 23040014322430 |
6 | 1250454351320 |
7 | 142423260042 |
oct | 27740621100 |
9 | 8256813313 |
10 | 3213042240 |
11 | 13a9751211 |
12 | 75805b540 |
13 | 3c2887035 |
14 | 226a21a92 |
15 | 13c1277b0 |
hex | bf832240 |
3213042240 has 224 divisors, whose sum is σ = 10645810560. Its totient is φ = 820019200.
The previous prime is 3213042233. The next prime is 3213042251. The reversal of 3213042240 is 422403123.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3646600 + ... + 3647480.
It is an arithmetic number, because the mean of its divisors is an integer number (47525940).
Almost surely, 23213042240 is an apocalyptic number.
3213042240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 3213042240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5322905280).
3213042240 is an abundant number, since it is smaller than the sum of its proper divisors (7432768320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3213042240 is a wasteful number, since it uses less digits than its factorization.
3213042240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1061 (or 1051 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 21.
The square root of 3213042240 is about 56683.7034781603. The cubic root of 3213042240 is about 1475.6118867034.
Adding to 3213042240 its reverse (422403123), we get a palindrome (3635445363).
The spelling of 3213042240 in words is "three billion, two hundred thirteen million, forty-two thousand, two hundred forty".
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