Base | Representation |
---|---|
bin | 100000001011001011… |
… | …1111100110011111001 |
3 | 20121100100011020211021 |
4 | 1000112113330303321 |
5 | 2113001240311011 |
6 | 51424114302441 |
7 | 4664143365454 |
oct | 1002627746371 |
9 | 217310136737 |
10 | 69094853881 |
11 | 27337275429 |
12 | 11483887a21 |
13 | 6691a6b831 |
14 | 34b671a49b |
15 | 1be5e19471 |
hex | 10165fccf9 |
69094853881 has 9 divisors (see below), whose sum is σ = 70750653519. Its totient is φ = 67476956736.
The previous prime is 69094853869. The next prime is 69094853929. The reversal of 69094853881 is 18835849096.
The square root of 69094853881 is 262859.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 38194839225 + 30900014656 = 195435^2 + 175784^2 .
It is not a de Polignac number, because 69094853881 - 27 = 69094853753 is a prime.
It is a super-2 number, since 2×690948538812 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (69094853851) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 11299881 + ... + 11305993.
Almost surely, 269094853881 is an apocalyptic number.
69094853881 is the 262859-th square number.
69094853881 is the 131430-th centered octagonal number.
It is an amenable number.
69094853881 is a deficient number, since it is larger than the sum of its proper divisors (1655799638).
69094853881 is an frugal number, since it uses more digits than its factorization.
69094853881 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12312 (or 6156 counting only the distinct ones).
The product of its (nonzero) digits is 14929920, while the sum is 61.
The spelling of 69094853881 in words is "sixty-nine billion, ninety-four million, eight hundred fifty-three thousand, eight hundred eighty-one".
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