Base | Representation |
---|---|
bin | 10101010101011000… |
… | …000000000000000001 |
3 | 2012010102220212222111 |
4 | 111111120000000001 |
5 | 333403220110142 |
6 | 14305020335321 |
7 | 1440442625164 |
oct | 252530000001 |
9 | 65112825874 |
10 | 22907191297 |
11 | 979556a961 |
12 | 45336a4541 |
13 | 2210a95983 |
14 | 117444dadb |
15 | 8e10cae17 |
hex | 555600001 |
22907191297 has 32 divisors (see below), whose sum is σ = 25943943168. Its totient is φ = 20106890496.
The previous prime is 22907191271. The next prime is 22907191357. The reversal of 22907191297 is 79219170922.
It is a cyclic number.
It is not a de Polignac number, because 22907191297 - 27 = 22907191169 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 22907191297.
It is not an unprimeable number, because it can be changed into a prime (22907101297) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14845108 + ... + 14846650.
It is an arithmetic number, because the mean of its divisors is an integer number (810748224).
It is a Proth number, since it is equal to 10923 ⋅ 221 + 1 and 10923 < 221.
Almost surely, 222907191297 is an apocalyptic number.
It is an amenable number.
22907191297 is a deficient number, since it is larger than the sum of its proper divisors (3036751871).
22907191297 is a wasteful number, since it uses less digits than its factorization.
22907191297 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2509.
The product of its (nonzero) digits is 285768, while the sum is 49.
The spelling of 22907191297 in words is "twenty-two billion, nine hundred seven million, one hundred ninety-one thousand, two hundred ninety-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.063 sec. • engine limits •