Base | Representation |
---|---|
bin | 111110100101101… |
… | …1010100100100101 |
3 | 12102100210101112201 |
4 | 1331023122210211 |
5 | 13300114110141 |
6 | 544221214501 |
7 | 103020635014 |
oct | 17513324445 |
9 | 5370711481 |
10 | 2100144421 |
11 | 988527651 |
12 | 4a7401431 |
13 | 27613b80b |
14 | 15ccc6a7b |
15 | c4595031 |
hex | 7d2da925 |
2100144421 has 8 divisors (see below), whose sum is σ = 2206166400. Its totient is φ = 1995348432.
The previous prime is 2100144407. The next prime is 2100144433. The reversal of 2100144421 is 1244410012.
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 2100144421 - 215 = 2100111653 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2100144121) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 302985 + ... + 309838.
It is an arithmetic number, because the mean of its divisors is an integer number (275770800).
Almost surely, 22100144421 is an apocalyptic number.
It is an amenable number.
2100144421 is a deficient number, since it is larger than the sum of its proper divisors (106021979).
2100144421 is a wasteful number, since it uses less digits than its factorization.
2100144421 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 612995.
The product of its (nonzero) digits is 256, while the sum is 19.
The square root of 2100144421 is about 45827.3326847636. The cubic root of 2100144421 is about 1280.6085202707.
Adding to 2100144421 its reverse (1244410012), we get a palindrome (3344554433).
The spelling of 2100144421 in words is "two billion, one hundred million, one hundred forty-four thousand, four hundred twenty-one".
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