Base | Representation |
---|---|
bin | 11010010111000… |
… | …00010111000101 |
3 | 120102002001112110 |
4 | 31023200113011 |
5 | 423101314231 |
6 | 33535211233 |
7 | 5323326360 |
oct | 1513402705 |
9 | 512061473 |
10 | 221119941 |
11 | 1038a8759 |
12 | 62076b19 |
13 | 36a70403 |
14 | 2151d0d7 |
15 | 1462c046 |
hex | d2e05c5 |
221119941 has 8 divisors (see below), whose sum is σ = 336944704. Its totient is φ = 126354240.
The previous prime is 221119933. The next prime is 221119957. The reversal of 221119941 is 149911122.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 221119941 - 23 = 221119933 is a prime.
It is a super-3 number, since 3×2211199413 (a number of 26 digits) contains 333 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 221119899 and 221119908.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (221119981) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 5264740 + ... + 5264781.
It is an arithmetic number, because the mean of its divisors is an integer number (42118088).
Almost surely, 2221119941 is an apocalyptic number.
221119941 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
It is an amenable number.
221119941 is a deficient number, since it is larger than the sum of its proper divisors (115824763).
221119941 is a wasteful number, since it uses less digits than its factorization.
221119941 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10529531.
The product of its digits is 1296, while the sum is 30.
The square root of 221119941 is about 14870.1022525065. The cubic root of 221119941 is about 604.7037148614.
The spelling of 221119941 in words is "two hundred twenty-one million, one hundred nineteen thousand, nine hundred forty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •