Base | Representation |
---|---|
bin | 10100100101011000… |
… | …011101011000000111 |
3 | 2010001022211012101020 |
4 | 110211120131120013 |
5 | 330231103132010 |
6 | 14053054402223 |
7 | 1411464642051 |
oct | 244530353007 |
9 | 63038735336 |
10 | 22102005255 |
11 | 9412007750 |
12 | 4349b00373 |
13 | 2113018425 |
14 | 10d95348d1 |
15 | 89557c470 |
hex | 52561d607 |
22102005255 has 64 divisors (see below), whose sum is σ = 39419191296. Its totient is φ = 10484352000.
The previous prime is 22102005253. The next prime is 22102005283. The reversal of 22102005255 is 55250020122.
It is not a de Polignac number, because 22102005255 - 21 = 22102005253 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22102005253) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1916667 + ... + 1928163.
It is an arithmetic number, because the mean of its divisors is an integer number (615924864).
Almost surely, 222102005255 is an apocalyptic number.
22102005255 is a deficient number, since it is larger than the sum of its proper divisors (17317186041).
22102005255 is a wasteful number, since it uses less digits than its factorization.
22102005255 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11768.
The product of its (nonzero) digits is 2000, while the sum is 24.
Adding to 22102005255 its reverse (55250020122), we get a palindrome (77352025377).
The spelling of 22102005255 in words is "twenty-two billion, one hundred two million, five thousand, two hundred fifty-five".
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