Base | Representation |
---|---|
bin | 11110110110101101101… |
… | …001111000001010000101 |
3 | 21111200221121022201111121 |
4 | 132312231221320022011 |
5 | 234214420033010341 |
6 | 4302022304033541 |
7 | 306121545201463 |
oct | 36665551701205 |
9 | 7450847281447 |
10 | 2120332313221 |
11 | 74825634a831 |
12 | 2a2b270028b1 |
13 | 124c3c551385 |
14 | 748a5dbb833 |
15 | 3a24c2264d1 |
hex | 1edada78285 |
2120332313221 has 8 divisors (see below), whose sum is σ = 2121001142400. Its totient is φ = 2119663594560.
The previous prime is 2120332313191. The next prime is 2120332313243. The reversal of 2120332313221 is 1223132330212.
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 2120332313221 - 213 = 2120332305029 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 (2120332313251) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53266836 + ... + 53306626.
It is an arithmetic number, because the mean of its divisors is an integer number (265125142800).
Almost surely, 22120332313221 is an apocalyptic number.
It is an amenable number.
2120332313221 is a deficient number, since it is larger than the sum of its proper divisors (668829179).
2120332313221 is a wasteful number, since it uses less digits than its factorization.
2120332313221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 55259.
The product of its (nonzero) digits is 2592, while the sum is 25.
Adding to 2120332313221 its reverse (1223132330212), we get a palindrome (3343464643433).
The spelling of 2120332313221 in words is "two trillion, one hundred twenty billion, three hundred thirty-two million, three hundred thirteen thousand, two hundred twenty-one".
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