Base | Representation |
---|---|
bin | 111111110111111… |
… | …0001110101110110 |
3 | 12112100212102200220 |
4 | 1333233301311312 |
5 | 13342131400400 |
6 | 552400515210 |
7 | 104053110621 |
oct | 17757616566 |
9 | 5470772626 |
10 | 2143231350 |
11 | 9aa886487 |
12 | 4b991bb06 |
13 | 282046440 |
14 | 164900db8 |
15 | c82567a0 |
hex | 7fbf1d76 |
2143231350 has 96 divisors (see below), whose sum is σ = 6025447680. Its totient is φ = 499789440.
The previous prime is 2143231291. The next prime is 2143231367. The reversal of 2143231350 is 531323412.
It is a self number, because there is not a number n which added to its sum of digits gives 2143231350.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8127 + ... + 65973.
It is an arithmetic number, because the mean of its divisors is an integer number (62765080).
Almost surely, 22143231350 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2143231350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3012723840).
2143231350 is an abundant number, since it is smaller than the sum of its proper divisors (3882216330).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2143231350 is a wasteful number, since it uses less digits than its factorization.
2143231350 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 57894 (or 57889 counting only the distinct ones).
The product of its (nonzero) digits is 2160, while the sum is 24.
The square root of 2143231350 is about 46295.0467112844. The cubic root of 2143231350 is about 1289.3070312154.
Adding to 2143231350 its reverse (531323412), we get a palindrome (2674554762).
The spelling of 2143231350 in words is "two billion, one hundred forty-three million, two hundred thirty-one thousand, three hundred fifty".
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