Base | Representation |
---|---|
bin | 11111111011010110… |
… | …00101011010111001 |
3 | 1122020120111111000000 |
4 | 33331223011122321 |
5 | 240101023110204 |
6 | 11512511303213 |
7 | 1144523444634 |
oct | 177553053271 |
9 | 48216444000 |
10 | 17140831929 |
11 | 72a6609801 |
12 | 33a451ab09 |
13 | 1802232300 |
14 | b8869cc1b |
15 | 6a4c45039 |
hex | 3fdac56b9 |
17140831929 has 63 divisors (see below), whose sum is σ = 27903250557. Its totient is φ = 10519924896.
The previous prime is 17140831847. The next prime is 17140831933. The reversal of 17140831929 is 92913804171.
The square root of 17140831929 is 130923.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in 4 ways, for example, as 1982297529 + 15158534400 = 44523^2 + 123120^2 .
It is a de Polignac number, because none of the positive numbers 2k-17140831929 is a prime.
It is a super-2 number, since 2×171408319292 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (17140831129) by changing a digit.
It is a polite number, since it can be written in 62 ways as a sum of consecutive naturals, for example, 45953787 + ... + 45954159.
It is an arithmetic number, because the mean of its divisors is an integer number (442908739).
Almost surely, 217140831929 is an apocalyptic number.
17140831929 is the 130923-rd square number.
17140831929 is the 65462-nd centered octagonal number.
It is an amenable number.
17140831929 is a deficient number, since it is larger than the sum of its proper divisors (10762418628).
17140831929 is an frugal number, since it uses more digits than its factorization.
17140831929 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 790 (or 389 counting only the distinct ones).
The product of its (nonzero) digits is 108864, while the sum is 45.
It can be divided in two parts, 171 and 40831929, that added together give a square (40832100 = 63902).
The spelling of 17140831929 in words is "seventeen billion, one hundred forty million, eight hundred thirty-one thousand, nine hundred twenty-nine".
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