Base | Representation |
---|---|
bin | 1111101000001… |
… | …11100110011101 |
3 | 100010200201200121 |
4 | 13310013212131 |
5 | 232030300013 |
6 | 21001554541 |
7 | 3151233610 |
oct | 764074635 |
9 | 303621617 |
10 | 131103133 |
11 | 680057a7 |
12 | 37aa5a51 |
13 | 21213925 |
14 | 135aa177 |
15 | b79a58d |
hex | 7d0799d |
131103133 has 32 divisors (see below), whose sum is σ = 164229120. Its totient is φ = 102117120.
The previous prime is 131103127. The next prime is 131103149. The reversal of 131103133 is 331301131.
It is not a de Polignac number, because 131103133 - 25 = 131103101 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 (131103103) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 498360 + ... + 498622.
It is an arithmetic number, because the mean of its divisors is an integer number (5132160).
Almost surely, 2131103133 is an apocalyptic number.
It is an amenable number.
131103133 is a deficient number, since it is larger than the sum of its proper divisors (33125987).
131103133 is a wasteful number, since it uses less digits than its factorization.
131103133 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 417.
The product of its (nonzero) digits is 81, while the sum is 16.
The square root of 131103133 is about 11450.0276418880. The cubic root of 131103133 is about 508.0085519981.
Adding to 131103133 its reverse (331301131), we get a palindrome (462404264).
The spelling of 131103133 in words is "one hundred thirty-one million, one hundred three thousand, one hundred thirty-three".
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