Base | Representation |
---|---|
bin | 10011101011101000… |
… | …011111111001001101 |
3 | 2000112210201022020012 |
4 | 103223220133321031 |
5 | 321240040200331 |
6 | 13413004203005 |
7 | 1345461436550 |
oct | 235350377115 |
9 | 60483638205 |
10 | 21133131341 |
11 | 8a65113403 |
12 | 4119539465 |
13 | 1cba38895a |
14 | 10469aa697 |
15 | 83a49882b |
hex | 4eba1fe4d |
21133131341 has 8 divisors (see below), whose sum is σ = 25572864960. Its totient is φ = 17048576448.
The previous prime is 21133131337. The next prime is 21133131359. The reversal of 21133131341 is 14313133112.
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 21133131341 - 22 = 21133131337 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 (21133131541) 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, 88794551 + ... + 88794788.
It is an arithmetic number, because the mean of its divisors is an integer number (3196608120).
Almost surely, 221133131341 is an apocalyptic number.
It is an amenable number.
21133131341 is a deficient number, since it is larger than the sum of its proper divisors (4439733619).
21133131341 is a wasteful number, since it uses less digits than its factorization.
21133131341 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 177589363.
The product of its digits is 648, while the sum is 23.
Adding to 21133131341 its reverse (14313133112), we get a palindrome (35446264453).
The spelling of 21133131341 in words is "twenty-one billion, one hundred thirty-three million, one hundred thirty-one thousand, three hundred forty-one".
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