Base | Representation |
---|---|
bin | 1111101001010… |
… | …01010001100101 |
3 | 100010221201220001 |
4 | 13310221101211 |
5 | 232044203221 |
6 | 21004541301 |
7 | 3152350000 |
oct | 764512145 |
9 | 303851801 |
10 | 131241061 |
11 | 6809a396 |
12 | 37b51831 |
13 | 21261643 |
14 | 13604537 |
15 | b7c6391 |
hex | 7d29465 |
131241061 has 20 divisors (see below), whose sum is σ = 156497472. Its totient is φ = 110004216.
The previous prime is 131241053. The next prime is 131241107. The reversal of 131241061 is 160142131.
It is not a de Polignac number, because 131241061 - 23 = 131241053 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131241361) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 112266 + ... + 113428.
Almost surely, 2131241061 is an apocalyptic number.
It is an amenable number.
131241061 is a deficient number, since it is larger than the sum of its proper divisors (25256411).
131241061 is an frugal number, since it uses more digits than its factorization.
131241061 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1238 (or 1217 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 19.
The square root of 131241061 is about 11456.0491008026. The cubic root of 131241061 is about 508.1866409175.
Adding to 131241061 its reverse (160142131), we get a palindrome (291383192).
The spelling of 131241061 in words is "one hundred thirty-one million, two hundred forty-one thousand, sixty-one".
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