Base | Representation |
---|---|
bin | 1111101000100… |
… | …01110100110011 |
3 | 100010202212010122 |
4 | 13310101310303 |
5 | 232033120021 |
6 | 21002520455 |
7 | 3151466654 |
oct | 764216463 |
9 | 303685118 |
10 | 131145011 |
11 | 68034208 |
12 | 37b0612b |
13 | 212299ca |
14 | 135bb52b |
15 | b7a7bab |
hex | 7d11d33 |
131145011 has 16 divisors (see below), whose sum is σ = 146058240. Its totient is φ = 117184320.
The previous prime is 131144963. The next prime is 131145029. The reversal of 131145011 is 110541131.
It is a cyclic number.
It is not a de Polignac number, because 131145011 - 218 = 130882867 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (131145041) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29846 + ... + 33956.
It is an arithmetic number, because the mean of its divisors is an integer number (9128640).
Almost surely, 2131145011 is an apocalyptic number.
131145011 is a deficient number, since it is larger than the sum of its proper divisors (14913229).
131145011 is a wasteful number, since it uses less digits than its factorization.
131145011 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4226.
The product of its (nonzero) digits is 60, while the sum is 17.
The square root of 131145011 is about 11451.8562250842. The cubic root of 131145011 is about 508.0626369434.
Adding to 131145011 its reverse (110541131), we get a palindrome (241686142).
The spelling of 131145011 in words is "one hundred thirty-one million, one hundred forty-five thousand, eleven".
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