Base | Representation |
---|---|
bin | 1111101001001… |
… | …10000011011011 |
3 | 100010221001210101 |
4 | 13310212003123 |
5 | 232043242432 |
6 | 21004400231 |
7 | 3152263351 |
oct | 764460333 |
9 | 303831711 |
10 | 131227867 |
11 | 68090491 |
12 | 37b46077 |
13 | 21258634 |
14 | 135dd7d1 |
15 | b7c24e7 |
hex | 7d260db |
131227867 has 8 divisors (see below), whose sum is σ = 135797760. Its totient is φ = 126679080.
The previous prime is 131227861. The next prime is 131227891. The reversal of 131227867 is 768722131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 131227867 - 27 = 131227739 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (131227861) 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, 7938 + ... + 18040.
It is an arithmetic number, because the mean of its divisors is an integer number (16974720).
Almost surely, 2131227867 is an apocalyptic number.
131227867 is a deficient number, since it is larger than the sum of its proper divisors (4569893).
131227867 is a wasteful number, since it uses less digits than its factorization.
131227867 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10553.
The product of its digits is 28224, while the sum is 37.
The square root of 131227867 is about 11455.4732333501. The cubic root of 131227867 is about 508.1696105786.
Adding to 131227867 its reverse (768722131), we get a palindrome (899949998).
The spelling of 131227867 in words is "one hundred thirty-one million, two hundred twenty-seven thousand, eight hundred sixty-seven".
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