Base | Representation |
---|---|
bin | 1110101000011… |
… | …10110101101001 |
3 | 22112222001100100 |
4 | 13110032311221 |
5 | 222410303134 |
6 | 20102500013 |
7 | 3020210502 |
oct | 724166551 |
9 | 275861310 |
10 | 122744169 |
11 | 63316569 |
12 | 35134609 |
13 | 1c577cb2 |
14 | 12431ba9 |
15 | ab98999 |
hex | 750ed69 |
122744169 has 12 divisors (see below), whose sum is σ = 185006016. Its totient is φ = 78271512.
The previous prime is 122744099. The next prime is 122744179. The reversal of 122744169 is 961447221.
It is a happy number.
It is not a de Polignac number, because 122744169 - 29 = 122743657 is a prime.
It is a super-2 number, since 2×1227441692 = 30132262047001122, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (122744179) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 296277 + ... + 296690.
It is an arithmetic number, because the mean of its divisors is an integer number (15417168).
Almost surely, 2122744169 is an apocalyptic number.
It is an amenable number.
122744169 is a deficient number, since it is larger than the sum of its proper divisors (62261847).
122744169 is a wasteful number, since it uses less digits than its factorization.
122744169 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 592996 (or 592993 counting only the distinct ones).
The product of its digits is 24192, while the sum is 36.
The square root of 122744169 is about 11078.9967506088. The cubic root of 122744169 is about 496.9739483016.
The spelling of 122744169 in words is "one hundred twenty-two million, seven hundred forty-four thousand, one hundred sixty-nine".
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