Base | Representation |
---|---|
bin | 101100011111111… |
… | …0110111000010101 |
3 | 10212001121002222110 |
4 | 1120333312320111 |
5 | 11024220303434 |
6 | 404055021233 |
7 | 52000302612 |
oct | 13077667025 |
9 | 3761532873 |
10 | 1493134869 |
11 | 6a6921366 |
12 | 35806a819 |
13 | 1aa45a575 |
14 | 102437509 |
15 | 8b1404e9 |
hex | 58ff6e15 |
1493134869 has 16 divisors (see below), whose sum is σ = 2034819072. Its totient is φ = 973470768.
The previous prime is 1493134847. The next prime is 1493134873. The reversal of 1493134869 is 9684313941.
It is not a de Polignac number, because 1493134869 - 211 = 1493132821 is a prime.
It is a super-2 number, since 2×14931348692 = 4458903474047294322, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1493134829) 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 15 ways as a sum of consecutive naturals, for example, 214132 + ... + 220994.
It is an arithmetic number, because the mean of its divisors is an integer number (127176192).
Almost surely, 21493134869 is an apocalyptic number.
It is an amenable number.
1493134869 is a deficient number, since it is larger than the sum of its proper divisors (541684203).
1493134869 is a wasteful number, since it uses less digits than its factorization.
1493134869 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8456.
The product of its digits is 559872, while the sum is 48.
The square root of 1493134869 is about 38641.1033615760. The cubic root of 1493134869 is about 1142.9652130445.
The spelling of 1493134869 in words is "one billion, four hundred ninety-three million, one hundred thirty-four thousand, eight hundred sixty-nine".
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