Base | Representation |
---|---|
bin | 1111101010000… |
… | …01110011101111 |
3 | 100011010211201220 |
4 | 13311001303233 |
5 | 232110412201 |
6 | 21011034423 |
7 | 3153245655 |
oct | 765016357 |
9 | 304124656 |
10 | 131341551 |
11 | 68158940 |
12 | 37b9ba13 |
13 | 212982c3 |
14 | 1362cdd5 |
15 | b7e6036 |
hex | 7d41cef |
131341551 has 32 divisors (see below), whose sum is σ = 200517120. Its totient is φ = 75734400.
The previous prime is 131341549. The next prime is 131341577. The reversal of 131341551 is 155143131.
It is not a de Polignac number, because 131341551 - 21 = 131341549 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131341501) 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, 66981 + ... + 68913.
It is an arithmetic number, because the mean of its divisors is an integer number (6266160).
Almost surely, 2131341551 is an apocalyptic number.
131341551 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
131341551 is a deficient number, since it is larger than the sum of its proper divisors (69175569).
131341551 is a wasteful number, since it uses less digits than its factorization.
131341551 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2047.
The product of its digits is 900, while the sum is 24.
The square root of 131341551 is about 11460.4341540799. The cubic root of 131341551 is about 508.3163123448.
Adding to 131341551 its reverse (155143131), we get a palindrome (286484682).
The spelling of 131341551 in words is "one hundred thirty-one million, three hundred forty-one thousand, five hundred fifty-one".
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