Base | Representation |
---|---|
bin | 10101000011100000… |
… | …000011001101000001 |
3 | 2011100112122102111001 |
4 | 111003200003031001 |
5 | 332244432433211 |
6 | 14215145052001 |
7 | 1430141656453 |
oct | 250340031501 |
9 | 64315572431 |
10 | 22607311681 |
11 | 9651268969 |
12 | 446b187001 |
13 | 219390a906 |
14 | 11466ac2d3 |
15 | 8c4ae2ac1 |
hex | 543803341 |
22607311681 has 8 divisors (see below), whose sum is σ = 22667662080. Its totient is φ = 22547011872.
The previous prime is 22607311679. The next prime is 22607311691. The reversal of 22607311681 is 18611370622.
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 22607311681 - 21 = 22607311679 is a prime.
It is a super-2 number, since 2×226073116812 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 22607311681.
It is not an unprimeable number, because it can be changed into a prime (22607311631) 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, 985500 + ... + 1008178.
It is an arithmetic number, because the mean of its divisors is an integer number (2833457760).
Almost surely, 222607311681 is an apocalyptic number.
It is an amenable number.
22607311681 is a deficient number, since it is larger than the sum of its proper divisors (60350399).
22607311681 is a wasteful number, since it uses less digits than its factorization.
22607311681 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25295.
The product of its (nonzero) digits is 24192, while the sum is 37.
The spelling of 22607311681 in words is "twenty-two billion, six hundred seven million, three hundred eleven thousand, six hundred eighty-one".
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