Base | Representation |
---|---|
bin | 1111101001010… |
… | …01010010110110 |
3 | 100010221202000001 |
4 | 13310221102312 |
5 | 232044204032 |
6 | 21004541514 |
7 | 3152350144 |
oct | 764512266 |
9 | 303852001 |
10 | 131241142 |
11 | 6809a45a |
12 | 37b5189a |
13 | 212616a6 |
14 | 13604594 |
15 | b7c63e7 |
hex | 7d294b6 |
131241142 has 8 divisors (see below), whose sum is σ = 196952832. Its totient is φ = 65590200.
The previous prime is 131241127. The next prime is 131241179. The reversal of 131241142 is 241142131.
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, 9334 + ... + 18697.
It is an arithmetic number, because the mean of its divisors is an integer number (24619104).
Almost surely, 2131241142 is an apocalyptic number.
131241142 is a deficient number, since it is larger than the sum of its proper divisors (65711690).
131241142 is a wasteful number, since it uses less digits than its factorization.
131241142 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30374.
The product of its digits is 192, while the sum is 19.
The square root of 131241142 is about 11456.0526360523. The cubic root of 131241142 is about 508.1867454659.
Adding to 131241142 its reverse (241142131), we get a palindrome (372383273).
The spelling of 131241142 in words is "one hundred thirty-one million, two hundred forty-one thousand, one hundred forty-two".
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