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212223013 = 1314673469
BaseRepresentation
bin11001010011001…
…00010000100101
3112210100001020121
430221210100211
5413312114023
633020401541
75154602662
oct1451442045
9483301217
10212223013
11a9881322
125b0a62b1
1334c76962
1420284a69
1513970d5d
hexca64425

212223013 has 8 divisors (see below), whose sum is σ = 214362720. Its totient is φ = 210091440.

The previous prime is 212223007. The next prime is 212223049. The reversal of 212223013 is 310322212.

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 212223013 - 217 = 212091941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212223313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59443 + ... + 62911.

It is an arithmetic number, because the mean of its divisors is an integer number (26795340).

Almost surely, 2212223013 is an apocalyptic number.

It is an amenable number.

212223013 is a deficient number, since it is larger than the sum of its proper divisors (2139707).

212223013 is a wasteful number, since it uses less digits than its factorization.

212223013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4067.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 212223013 is about 14567.8760634486. The cubic root of 212223013 is about 596.4822053235.

Adding to 212223013 its reverse (310322212), we get a palindrome (522545225).

The spelling of 212223013 in words is "two hundred twelve million, two hundred twenty-three thousand, thirteen".

Divisors: 1 131 467 3469 61177 454439 1620023 212223013