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2212126133 = 7316018019
BaseRepresentation
bin1000001111011010…
…0101110110110101
312201011111122120112
42003312211312311
514012301014013
61003301312405
7105550522220
oct20366456665
95634448515
102212126133
11a35762118
12518a05705
132933b8b99
1416db165b7
15ce314ba8
hex83da5db5

2212126133 has 4 divisors (see below), whose sum is σ = 2528144160. Its totient is φ = 1896108108.

The previous prime is 2212126127. The next prime is 2212126153. The reversal of 2212126133 is 3316212122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3316212122 = 21658106061.

It is a cyclic number.

It is not a de Polignac number, because 2212126133 - 210 = 2212125109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2212126099 and 2212126108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212126153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158009003 + ... + 158009016.

It is an arithmetic number, because the mean of its divisors is an integer number (632036040).

Almost surely, 22212126133 is an apocalyptic number.

It is an amenable number.

2212126133 is a deficient number, since it is larger than the sum of its proper divisors (316018027).

2212126133 is an equidigital number, since it uses as much as digits as its factorization.

2212126133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316018026.

The product of its digits is 864, while the sum is 23.

The square root of 2212126133 is about 47033.2449762931. The cubic root of 2212126133 is about 1302.9766373144.

Adding to 2212126133 its reverse (3316212122), we get a palindrome (5528338255).

The spelling of 2212126133 in words is "two billion, two hundred twelve million, one hundred twenty-six thousand, one hundred thirty-three".

Divisors: 1 7 316018019 2212126133