Base | Representation |
---|---|
bin | 1111101000001… |
… | …11100110011100 |
3 | 100010200201200120 |
4 | 13310013212130 |
5 | 232030300012 |
6 | 21001554540 |
7 | 3151233606 |
oct | 764074634 |
9 | 303621616 |
10 | 131103132 |
11 | 680057a6 |
12 | 37aa5a50 |
13 | 21213924 |
14 | 135aa176 |
15 | b79a58c |
hex | 7d0799c |
131103132 has 48 divisors (see below), whose sum is σ = 314133120. Its totient is φ = 42539328.
The previous prime is 131103127. The next prime is 131103149. The reversal of 131103132 is 231301131.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87663 + ... + 89145.
It is an arithmetic number, because the mean of its divisors is an integer number (6544440).
Almost surely, 2131103132 is an apocalyptic number.
131103132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
131103132 is an abundant number, since it is smaller than the sum of its proper divisors (183029988).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131103132 is a wasteful number, since it uses less digits than its factorization.
131103132 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1682 (or 1680 counting only the distinct ones).
The product of its (nonzero) digits is 54, while the sum is 15.
The square root of 131103132 is about 11450.0275982200. The cubic root of 131103132 is about 508.0085507065.
Adding to 131103132 its reverse (231301131), we get a palindrome (362404263).
The spelling of 131103132 in words is "one hundred thirty-one million, one hundred three thousand, one hundred thirty-two".
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