Base | Representation |
---|---|
bin | 10011110010001001… |
… | …000010000101110010 |
3 | 2000211102011211110100 |
4 | 103302021002011302 |
5 | 322001013321224 |
6 | 13431504413230 |
7 | 1351255524522 |
oct | 236211020562 |
9 | 60742154410 |
10 | 21242323314 |
11 | 9010812a03 |
12 | 414a017216 |
13 | 2006b9a2a4 |
14 | 10572b1682 |
15 | 844d66ac9 |
hex | 4f2242172 |
21242323314 has 12 divisors (see below), whose sum is σ = 46025033886. Its totient is φ = 7080774432.
The previous prime is 21242323313. The next prime is 21242323367. The reversal of 21242323314 is 41332324212.
21242323314 is a `hidden beast` number, since 2 + 1 + 2 + 423 + 233 + 1 + 4 = 666.
It can be written as a sum of positive squares in only one way, i.e., 10783784025 + 10458539289 = 103845^2 + 102267^2 .
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (21242323313) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 590064519 + ... + 590064554.
Almost surely, 221242323314 is an apocalyptic number.
21242323314 is an abundant number, since it is smaller than the sum of its proper divisors (24782710572).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
21242323314 is a wasteful number, since it uses less digits than its factorization.
21242323314 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1180129081 (or 1180129078 counting only the distinct ones).
The product of its digits is 6912, while the sum is 27.
Adding to 21242323314 its reverse (41332324212), we get a palindrome (62574647526).
The spelling of 21242323314 in words is "twenty-one billion, two hundred forty-two million, three hundred twenty-three thousand, three hundred fourteen".
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