Base | Representation |
---|---|
bin | 10100100111011111… |
… | …100000000110011111 |
3 | 2010010210102201212120 |
4 | 110213133200012133 |
5 | 330314133441410 |
6 | 14100401234023 |
7 | 1412404562565 |
oct | 244737400637 |
9 | 63123381776 |
10 | 22137405855 |
11 | 942aa96744 |
12 | 4359932913 |
13 | 211a461626 |
14 | 110010ba35 |
15 | 898721570 |
hex | 5277e019f |
22137405855 has 32 divisors (see below), whose sum is σ = 35961698304. Its totient is φ = 11626511616.
The previous prime is 22137405853. The next prime is 22137405919. The reversal of 22137405855 is 55850473122.
It is not a de Polignac number, because 22137405855 - 21 = 22137405853 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22137405853) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 692842 + ... + 724088.
It is an arithmetic number, because the mean of its divisors is an integer number (1123803072).
Almost surely, 222137405855 is an apocalyptic number.
22137405855 is a deficient number, since it is larger than the sum of its proper divisors (13824292449).
22137405855 is a wasteful number, since it uses less digits than its factorization.
22137405855 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31975.
The product of its (nonzero) digits is 336000, while the sum is 42.
Adding to 22137405855 its reverse (55850473122), we get a palindrome (77987878977).
The spelling of 22137405855 in words is "twenty-two billion, one hundred thirty-seven million, four hundred five thousand, eight hundred fifty-five".
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