Base | Representation |
---|---|
bin | 10110101111001101… |
… | …11000001000011110 |
3 | 1011111202001101221011 |
4 | 23113212320020132 |
5 | 200000022234142 |
6 | 5335151125434 |
7 | 611335502215 |
oct | 132746701036 |
9 | 34452041834 |
10 | 12207227422 |
11 | 51a4730705 |
12 | 244821387a |
13 | 11c707c6c0 |
14 | 83b36207c |
15 | 4b6a56417 |
hex | 2d79b821e |
12207227422 has 32 divisors (see below), whose sum is σ = 19844304480. Its totient is φ = 5598512640.
The previous prime is 12207227353. The next prime is 12207227423. The reversal of 12207227422 is 22472270221.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12207227423) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3457354 + ... + 3460882.
It is an arithmetic number, because the mean of its divisors is an integer number (620134515).
Almost surely, 212207227422 is an apocalyptic number.
12207227422 is a deficient number, since it is larger than the sum of its proper divisors (7637077058).
12207227422 is a wasteful number, since it uses less digits than its factorization.
12207227422 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4348.
The product of its (nonzero) digits is 12544, while the sum is 31.
Adding to 12207227422 its reverse (22472270221), we get a palindrome (34679497643).
The spelling of 12207227422 in words is "twelve billion, two hundred seven million, two hundred twenty-seven thousand, four hundred twenty-two".
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