Base | Representation |
---|---|
bin | 111101001111100011000010… |
… | …001100100001110010010001 |
3 | 1022022200112111010220212211100 |
4 | 331033203002030201302101 |
5 | 240301004224231141034 |
6 | 2352505200320335013 |
7 | 110506561303001001 |
oct | 7517430214416221 |
9 | 1268615433825740 |
10 | 269349247130769 |
11 | 789064130a3053 |
12 | 26261831a74469 |
13 | b73a6a9607c00 |
14 | 4a728048d8001 |
15 | 21215d320a099 |
hex | f4f8c2321c91 |
269349247130769 has 81 divisors (see below), whose sum is σ = 427379187748539. Its totient is φ = 163391256231840.
The previous prime is 269349247130749. The next prime is 269349247130939. The reversal of 269349247130769 is 967031742943962.
The square root of 269349247130769 is 16411863.
It is a perfect power (a square), and thus also a powerful number.
269349247130769 is a `hidden beast` number, since 2 + 6 + 9 + 3 + 4 + 92 + 471 + 3 + 0 + 7 + 69 = 666.
It can be written as a sum of positive squares in only one way, i.e., 39844563185025 + 229504683945744 = 6312255^2 + 15149412^2 .
It is not a de Polignac number, because 269349247130769 - 223 = 269349238742161 is a prime.
It is a super-2 number, since 2×2693492471307692 (a number of 30 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 269349247130697 and 269349247130706.
It is not an unprimeable number, because it can be changed into a prime (269349247130749) by changing a digit.
It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 45444445684 + ... + 45444451610.
Almost surely, 2269349247130769 is an apocalyptic number.
269349247130769 is the 16411863-rd square number.
269349247130769 is the 8205932-nd centered octagonal number.
It is an amenable number.
269349247130769 is a deficient number, since it is larger than the sum of its proper divisors (158029940617770).
269349247130769 is an frugal number, since it uses more digits than its factorization.
269349247130769 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12028 (or 6014 counting only the distinct ones).
The product of its (nonzero) digits is 740710656, while the sum is 72.
The spelling of 269349247130769 in words is "two hundred sixty-nine trillion, three hundred forty-nine billion, two hundred forty-seven million, one hundred thirty thousand, seven hundred sixty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •