Base | Representation |
---|---|
bin | 1111101000111… |
… | …11111110111000 |
3 | 100010212210200101 |
4 | 13310133332320 |
5 | 232041444000 |
6 | 21004045144 |
7 | 3152131015 |
oct | 764377670 |
9 | 303783611 |
10 | 131203000 |
11 | 68073835 |
12 | 37b337b4 |
13 | 2124a216 |
14 | 135d470c |
15 | b7b9e6a |
hex | 7d1ffb8 |
131203000 has 32 divisors (see below), whose sum is σ = 307017360. Its totient is φ = 52480800.
The previous prime is 131202949. The next prime is 131203003. The reversal of 131203000 is 302131.
It is a Harshad number since it is a multiple of its sum of digits (10).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131203003) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64602 + ... + 66601.
Almost surely, 2131203000 is an apocalyptic number.
131203000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
131203000 is an abundant number, since it is smaller than the sum of its proper divisors (175814360).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131203000 is a wasteful number, since it uses less digits than its factorization.
131203000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 131224 (or 131210 counting only the distinct ones).
The product of its (nonzero) digits is 18, while the sum is 10.
The square root of 131203000 is about 11454.3878055529. The cubic root of 131203000 is about 508.1375100493.
Adding to 131203000 its reverse (302131), we get a palindrome (131505131).
The spelling of 131203000 in words is "one hundred thirty-one million, two hundred three thousand".
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