Base | Representation |
---|---|
bin | 10101001001000101… |
… | …011110111100100001 |
3 | 2011121001221211101212 |
4 | 111021011132330201 |
5 | 332442424320341 |
6 | 14232333235505 |
7 | 1432360256504 |
oct | 251105367441 |
9 | 64531854355 |
10 | 22701010721 |
11 | 969a146394 |
12 | 4496632b95 |
13 | 21aa15642c |
14 | 1154cdd13b |
15 | 8cce505eb |
hex | 54915ef21 |
22701010721 has 8 divisors (see below), whose sum is σ = 23135376384. Its totient is φ = 22266869040.
The previous prime is 22701010691. The next prime is 22701010771. The reversal of 22701010721 is 12701010722.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-22701010721 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (22701010771) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156266 + ... + 264236.
It is an arithmetic number, because the mean of its divisors is an integer number (2891922048).
Almost surely, 222701010721 is an apocalyptic number.
It is an amenable number.
22701010721 is a deficient number, since it is larger than the sum of its proper divisors (434365663).
22701010721 is a wasteful number, since it uses less digits than its factorization.
22701010721 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 111991.
The product of its (nonzero) digits is 392, while the sum is 23.
Subtracting from 22701010721 its reverse (12701010722), we obtain a palindrome (9999999999).
The spelling of 22701010721 in words is "twenty-two billion, seven hundred one million, ten thousand, seven hundred twenty-one".
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