Base | Representation |
---|---|
bin | 11111001011110110000… |
… | …110110011100100001101 |
3 | 21120212111221021102110211 |
4 | 133023312012303210031 |
5 | 240102402302130441 |
6 | 4320254021402421 |
7 | 310554046222216 |
oct | 37136606634415 |
9 | 7525457242424 |
10 | 2143022692621 |
11 | 75693a4946a8 |
12 | 2a73b9b69411 |
13 | 127117424785 |
14 | 75a1971040d |
15 | 3ab29276a81 |
hex | 1f2f61b390d |
2143022692621 has 8 divisors (see below), whose sum is σ = 2238246332640. Its totient is φ = 2049762426768.
The previous prime is 2143022692619. The next prime is 2143022692673. The reversal of 2143022692621 is 1262962203412.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2143022692621 - 21 = 2143022692619 is a prime.
It is a super-3 number, since 3×21430226926213 (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2143022492621) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 490841311 + ... + 490845676.
It is an arithmetic number, because the mean of its divisors is an integer number (279780791580).
Almost surely, 22143022692621 is an apocalyptic number.
It is an amenable number.
2143022692621 is a deficient number, since it is larger than the sum of its proper divisors (95223640019).
2143022692621 is an equidigital number, since it uses as much as digits as its factorization.
2143022692621 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 981687083.
The product of its (nonzero) digits is 124416, while the sum is 40.
The spelling of 2143022692621 in words is "two trillion, one hundred forty-three billion, twenty-two million, six hundred ninety-two thousand, six hundred twenty-one".
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