| Base | Representation |
|---|---|
| bin | 10101010101010101… |
| … | …010101010101010101 |
| 3 | 2012010101121101001200 |
| 4 | 111111111111111111 |
| 5 | 333403030222440 |
| 6 | 14304553343113 |
| 7 | 1440433654140 |
| oct | 252525252525 |
| 9 | 65111541050 |
| 10 | 22906492245 |
| 11 | 979513272a |
| 12 | 4533407a99 |
| 13 | 22108ac730 |
| 14 | 117430b057 |
| 15 | 8e0eddc30 |
| hex | 555555555 |
22906492245 has 384 divisors, whose sum is σ = 54044390400. Its totient is φ = 8707129344.
The previous prime is 22906492243. The next prime is 22906492261. The reversal of 22906492245 is 54229460922.
22906492245 is nontrivially palindromic in base 2, base 4 and base 16.
22906492245 is an esthetic number in base 2, because in such base its adjacent digits differ by 1.
It is not a de Polignac number, because 22906492245 - 21 = 22906492243 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is the 36-th Jacobsthal number.
22906492245 is an undulating number in base 2 and base 8.
It is a Curzon number.
22906492245 is a nontrivial repdigit in base 4 and base 16.
It is a plaindrome in base 4 and base 16.
It is a nialpdrome in base 4 and base 16.
It is a zygodrome in base 4 and base 16.
It is a self number, because there is not a number n which added to its sum of digits gives 22906492245.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22906492243) by changing a digit.
It is a nontrivial repunit in base 4.
It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 210151251 + ... + 210151359.
It is an arithmetic number, because the mean of its divisors is an integer number (140740600).
Almost surely, 222906492245 is an apocalyptic number.
It is an amenable number.
22906492245 is an abundant number, since it is smaller than the sum of its proper divisors (31137898155).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22906492245 is a wasteful number, since it uses less digits than its factorization.
22906492245 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 269 (or 266 counting only the distinct ones).
The product of its (nonzero) digits is 622080, while the sum is 45.
The spelling of 22906492245 in words is "twenty-two billion, nine hundred six million, four hundred ninety-two thousand, two hundred forty-five".
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