Base | Representation |
---|---|
bin | 1111100111101… |
… | …10100111000110 |
3 | 100010120012020011 |
4 | 13303312213012 |
5 | 232021033132 |
6 | 21000300434 |
7 | 3150523663 |
oct | 763664706 |
9 | 303505204 |
10 | 131033542 |
11 | 67a68492 |
12 | 37a7171a |
13 | 211bb053 |
14 | 1358ca6a |
15 | b784b47 |
hex | 7cf69c6 |
131033542 has 8 divisors (see below), whose sum is σ = 203328000. Its totient is φ = 63257544.
The previous prime is 131033533. The next prime is 131033561. The reversal of 131033542 is 245330131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 1129542 + ... + 1129657.
It is an arithmetic number, because the mean of its divisors is an integer number (25416000).
Almost surely, 2131033542 is an apocalyptic number.
131033542 is a deficient number, since it is larger than the sum of its proper divisors (72294458).
131033542 is a wasteful number, since it uses less digits than its factorization.
131033542 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2259230.
The product of its (nonzero) digits is 1080, while the sum is 22.
The square root of 131033542 is about 11446.9883375498. The cubic root of 131033542 is about 507.9186505610.
Adding to 131033542 its reverse (245330131), we get a palindrome (376363673).
The spelling of 131033542 in words is "one hundred thirty-one million, thirty-three thousand, five hundred forty-two".
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