Base | Representation |
---|---|
bin | 101010101001101… |
… | …0110001101011101 |
3 | 10200201221012020120 |
4 | 1111103112031131 |
5 | 10412332310234 |
6 | 354002105153 |
7 | 50315306310 |
oct | 12523261535 |
9 | 3621835216 |
10 | 1431135069 |
11 | 674924a61 |
12 | 33b34b1b9 |
13 | 19a6602b0 |
14 | d80d8977 |
15 | 85995049 |
hex | 554d635d |
1431135069 has 32 divisors (see below), whose sum is σ = 2354171904. Its totient is φ = 753071040.
The previous prime is 1431135067. The next prime is 1431135109. The reversal of 1431135069 is 9605311341.
It is not a de Polignac number, because 1431135069 - 21 = 1431135067 is a prime.
It is a super-2 number, since 2×14311350692 = 4096295171443269522, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1431135067) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 111582 + ... + 123744.
It is an arithmetic number, because the mean of its divisors is an integer number (73567872).
Almost surely, 21431135069 is an apocalyptic number.
It is an amenable number.
1431135069 is a deficient number, since it is larger than the sum of its proper divisors (923036835).
1431135069 is a wasteful number, since it uses less digits than its factorization.
1431135069 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12617.
The product of its (nonzero) digits is 9720, while the sum is 33.
The square root of 1431135069 is about 37830.3458747075. The cubic root of 1431135069 is about 1126.9211799210.
The spelling of 1431135069 in words is "one billion, four hundred thirty-one million, one hundred thirty-five thousand, sixty-nine".
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