Base | Representation |
---|---|
bin | 1111101000010… |
… | …01111001011110 |
3 | 100010201012121002 |
4 | 13310021321132 |
5 | 232031100132 |
6 | 21002110302 |
7 | 3151303211 |
oct | 764117136 |
9 | 303635532 |
10 | 131112542 |
11 | 68011880 |
12 | 37aab392 |
13 | 21217cb2 |
14 | 135ad778 |
15 | b79d262 |
hex | 7d09e5e |
131112542 has 8 divisors (see below), whose sum is σ = 214547832. Its totient is φ = 59596600.
The previous prime is 131112533. The next prime is 131112577. The reversal of 131112542 is 245211131.
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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2979809 + ... + 2979852.
It is an arithmetic number, because the mean of its divisors is an integer number (26818479).
Almost surely, 2131112542 is an apocalyptic number.
131112542 is a deficient number, since it is larger than the sum of its proper divisors (83435290).
131112542 is a wasteful number, since it uses less digits than its factorization.
131112542 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5959674.
The product of its digits is 240, while the sum is 20.
The square root of 131112542 is about 11450.4385068870. The cubic root of 131112542 is about 508.0207046142.
Adding to 131112542 its reverse (245211131), we get a palindrome (376323673).
The spelling of 131112542 in words is "one hundred thirty-one million, one hundred twelve thousand, five hundred forty-two".
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