Base | Representation |
---|---|
bin | 1111101001111… |
… | …11111111101011 |
3 | 100011010110112210 |
4 | 13310333333223 |
5 | 232110142443 |
6 | 21010540203 |
7 | 3153215214 |
oct | 764777753 |
9 | 304113483 |
10 | 131334123 |
11 | 681532a8 |
12 | 37b97663 |
13 | 21294acb |
14 | 1362a40b |
15 | b7e3c33 |
hex | 7d3ffeb |
131334123 has 8 divisors (see below), whose sum is σ = 175168000. Its totient is φ = 87528168.
The previous prime is 131334109. The next prime is 131334131. The reversal of 131334123 is 321433131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 131334123 - 24 = 131334107 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 131334123.
It is not an unprimeable number, because it can be changed into a prime (131334223) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9678 + ... + 18876.
It is an arithmetic number, because the mean of its divisors is an integer number (21896000).
Almost surely, 2131334123 is an apocalyptic number.
131334123 is a deficient number, since it is larger than the sum of its proper divisors (43833877).
131334123 is an equidigital number, since it uses as much as digits as its factorization.
131334123 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13961.
The product of its digits is 648, while the sum is 21.
The square root of 131334123 is about 11460.1100780054. The cubic root of 131334123 is about 508.3067295821.
Adding to 131334123 its reverse (321433131), we get a palindrome (452767254).
The spelling of 131334123 in words is "one hundred thirty-one million, three hundred thirty-four thousand, one hundred twenty-three".
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