Base | Representation |
---|---|
bin | 101010001101… |
… | …0100111001101 |
3 | 1112122021102100 |
4 | 1110122213031 |
5 | 21131112401 |
6 | 2110145313 |
7 | 356044221 |
oct | 124324715 |
9 | 45567370 |
10 | 22129101 |
11 | 11544a15 |
12 | 74b2239 |
13 | 477a557 |
14 | 2d20781 |
15 | 1e21b86 |
hex | 151a9cd |
22129101 has 12 divisors (see below), whose sum is σ = 32011200. Its totient is φ = 14731080.
The previous prime is 22129097. The next prime is 22129109. The reversal of 22129101 is 10192122.
It is not a de Polignac number, because 22129101 - 22 = 22129097 is a prime.
It is a super-2 number, since 2×221291012 = 979394222136402, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22129109) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6850 + ... + 9548.
It is an arithmetic number, because the mean of its divisors is an integer number (2667600).
Almost surely, 222129101 is an apocalyptic number.
It is an amenable number.
22129101 is a deficient number, since it is larger than the sum of its proper divisors (9882099).
22129101 is a wasteful number, since it uses less digits than its factorization.
22129101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3616 (or 3613 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 18.
The square root of 22129101 is about 4704.1578417396. The cubic root of 22129101 is about 280.7509645425.
The spelling of 22129101 in words is "twenty-two million, one hundred twenty-nine thousand, one hundred one".
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