Base | Representation |
---|---|
bin | 1111100111110… |
… | …10101011101110 |
3 | 100010121001002221 |
4 | 13303322223232 |
5 | 232022101342 |
6 | 21000505554 |
7 | 3150623422 |
oct | 763725356 |
9 | 303531087 |
10 | 131050222 |
11 | 67a79a76 |
12 | 37a7b2ba |
13 | 211c5814 |
14 | 13594b82 |
15 | b789a67 |
hex | 7cfaaee |
131050222 has 4 divisors (see below), whose sum is σ = 196575336. Its totient is φ = 65525110.
The previous prime is 131050219. The next prime is 131050243. The reversal of 131050222 is 222050131.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 222050131 = 19 ⋅11686849.
It is a junction number, because it is equal to n+sod(n) for n = 131050196 and 131050205.
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 as a sum of consecutive naturals, namely, 32762554 + ... + 32762557.
It is an arithmetic number, because the mean of its divisors is an integer number (49143834).
Almost surely, 2131050222 is an apocalyptic number.
131050222 is a deficient number, since it is larger than the sum of its proper divisors (65525114).
131050222 is an equidigital number, since it uses as much as digits as its factorization.
131050222 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 65525113.
The product of its (nonzero) digits is 120, while the sum is 16.
The square root of 131050222 is about 11447.7168902799. The cubic root of 131050222 is about 507.9402015916.
Subtracting 131050222 from its reverse (222050131), we obtain a palindrome (90999909).
The spelling of 131050222 in words is "one hundred thirty-one million, fifty thousand, two hundred twenty-two".
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