Base | Representation |
---|---|
bin | 1111101001111… |
… | …11110101011100 |
3 | 100011010102122112 |
4 | 13310333311130 |
5 | 232110132333 |
6 | 21010533152 |
7 | 3153213260 |
oct | 764776534 |
9 | 304112575 |
10 | 131333468 |
11 | 68152862 |
12 | 37b971b8 |
13 | 21294716 |
14 | 1362a0a0 |
15 | b7e3948 |
hex | 7d3fd5c |
131333468 has 12 divisors (see below), whose sum is σ = 262666992. Its totient is φ = 56285760.
The previous prime is 131333443. The next prime is 131333507. The reversal of 131333468 is 864333131.
131333468 is an admirable number.
It is a congruent number.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 2345213 + ... + 2345268.
It is an arithmetic number, because the mean of its divisors is an integer number (21888916).
Almost surely, 2131333468 is an apocalyptic number.
It is an amenable number.
131333468 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131333468 is a wasteful number, since it uses less digits than its factorization.
131333468 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4690492 (or 4690490 counting only the distinct ones).
The product of its digits is 15552, while the sum is 32.
The square root of 131333468 is about 11460.0815005828. The cubic root of 131333468 is about 508.3058845581.
Adding to 131333468 its reverse (864333131), we get a palindrome (995666599).
The spelling of 131333468 in words is "one hundred thirty-one million, three hundred thirty-three thousand, four hundred sixty-eight".
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