Base | Representation |
---|---|
bin | 1111101000011… |
… | …00101110010000 |
3 | 100010201210110121 |
4 | 13310030232100 |
5 | 232031432422 |
6 | 21002240024 |
7 | 3151352020 |
oct | 764145620 |
9 | 303653417 |
10 | 131124112 |
11 | 6801a539 |
12 | 37ab6014 |
13 | 21220342 |
14 | 135b3a80 |
15 | b7a18c7 |
hex | 7d0cb90 |
131124112 has 20 divisors (see below), whose sum is σ = 290346496. Its totient is φ = 56196000.
The previous prime is 131124107. The next prime is 131124143. The reversal of 131124112 is 211421131.
It is a Harshad number since it is a multiple of its sum of digits (16).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 585264 + ... + 585487.
Almost surely, 2131124112 is an apocalyptic number.
It is an amenable number.
131124112 is an abundant number, since it is smaller than the sum of its proper divisors (159222384).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131124112 is a wasteful number, since it uses less digits than its factorization.
131124112 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1170766 (or 1170760 counting only the distinct ones).
The product of its digits is 48, while the sum is 16.
The square root of 131124112 is about 11450.9437165676. The cubic root of 131124112 is about 508.0356475698.
Adding to 131124112 its reverse (211421131), we get a palindrome (342545243).
The spelling of 131124112 in words is "one hundred thirty-one million, one hundred twenty-four thousand, one hundred twelve".
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