Base | Representation |
---|---|
bin | 111111111000010… |
… | …1011101110101100 |
3 | 12112101022110221202 |
4 | 1333300223232230 |
5 | 13342211442320 |
6 | 552405545032 |
7 | 104055116120 |
oct | 17760535654 |
9 | 5471273852 |
10 | 2143468460 |
11 | 9aaa28641 |
12 | 4b9a15178 |
13 | 2820ca343 |
14 | 164963580 |
15 | c82a1b75 |
hex | 7fc2bbac |
2143468460 has 192 divisors, whose sum is σ = 5672975616. Its totient is φ = 663552000.
The previous prime is 2143468441. The next prime is 2143468499. The reversal of 2143468460 is 648643412.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8893940 + ... + 8894180.
It is an arithmetic number, because the mean of its divisors is an integer number (29546748).
Almost surely, 22143468460 is an apocalyptic number.
2143468460 is a gapful number since it is divisible by the number (20) 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 2143468460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2836487808).
2143468460 is an abundant number, since it is smaller than the sum of its proper divisors (3529507156).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2143468460 is a wasteful number, since it uses less digits than its factorization.
2143468460 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 412 (or 410 counting only the distinct ones).
The product of its (nonzero) digits is 110592, while the sum is 38.
The square root of 2143468460 is about 46297.6074975803. The cubic root of 2143468460 is about 1289.3545756731.
The spelling of 2143468460 in words is "two billion, one hundred forty-three million, four hundred sixty-eight thousand, four hundred sixty".
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