Base | Representation |
---|---|
bin | 100001101010101… |
… | …1101011111111001 |
3 | 2220201201200010121 |
4 | 1003111131133321 |
5 | 4303200334241 |
6 | 304033213241 |
7 | 36665200012 |
oct | 10325353771 |
9 | 2821650117 |
10 | 1129699321 |
11 | 52a75a903 |
12 | 276401221 |
13 | 15007bb4a |
14 | aa070009 |
15 | 692a0ad1 |
hex | 4355d7f9 |
1129699321 has 27 divisors (see below), whose sum is σ = 1255392333. Its totient is φ = 1016396640.
The previous prime is 1129699313. The next prime is 1129699331. The reversal of 1129699321 is 1239969211.
The square root of 1129699321 is 33611.
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 338964921 + 790734400 = 18411^2 + 28120^2 .
It is not a de Polignac number, because 1129699321 - 23 = 1129699313 is a prime.
It is a super-2 number, since 2×11296993212 = 2552441111735722082, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1129699301) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 18519631 + ... + 18519691.
Almost surely, 21129699321 is an apocalyptic number.
1129699321 is the 33611-st square number.
1129699321 is the 16806-th centered octagonal number.
It is an amenable number.
1129699321 is a deficient number, since it is larger than the sum of its proper divisors (125693012).
1129699321 is an frugal number, since it uses more digits than its factorization.
1129699321 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 218 (or 109 counting only the distinct ones).
The product of its digits is 52488, while the sum is 43.
The cubic root of 1129699321 is about 1041.4880452280.
The spelling of 1129699321 in words is "one billion, one hundred twenty-nine million, six hundred ninety-nine thousand, three hundred twenty-one".
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