Base | Representation |
---|---|
bin | 10011101001110010… |
… | …111001000010000010 |
3 | 2000110122200222101100 |
4 | 103221302321002002 |
5 | 321204142120224 |
6 | 13405543315230 |
7 | 1344635413233 |
oct | 235162710202 |
9 | 60418628340 |
10 | 21102301314 |
11 | 8a49776346 |
12 | 410b14bb16 |
13 | 1cb3b82c33 |
14 | 104286308a |
15 | 837908ac9 |
hex | 4e9cb9082 |
21102301314 has 48 divisors (see below), whose sum is σ = 48429957888. Its totient is φ = 6617759616.
The previous prime is 21102301313. The next prime is 21102301321. The reversal of 21102301314 is 41310320112.
It is a super-2 number, since 2×211023013142 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (21102301313) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 871479 + ... + 895365.
It is an arithmetic number, because the mean of its divisors is an integer number (1008957456).
Almost surely, 221102301314 is an apocalyptic number.
21102301314 is an abundant number, since it is smaller than the sum of its proper divisors (27327656574).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
21102301314 is a wasteful number, since it uses less digits than its factorization.
21102301314 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26799 (or 26796 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
Adding to 21102301314 its reverse (41310320112), we get a palindrome (62412621426).
The spelling of 21102301314 in words is "twenty-one billion, one hundred two million, three hundred one thousand, three hundred fourteen".
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