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212223234013 = 7231318156733
BaseRepresentation
bin1100010110100101111…
…1011000111111011101
3202021210012110022100021
43011221133120333131
511434113121442023
6241254412232141
721222042503530
oct3055137307735
9667705408307
10212223234013
118200453489a
123516916b651
13170217b441b
14a3b360ca17
1557c15dd35d
hex31697d8fdd

212223234013 has 8 divisors (see below), whose sum is σ = 253086092928. Its totient is φ = 173996688624.

The previous prime is 212223233987. The next prime is 212223234089. The reversal of 212223234013 is 310432322212.

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 212223234013 - 237 = 74784280541 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 (212223234313) 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, 659078206 + ... + 659078527.

It is an arithmetic number, because the mean of its divisors is an integer number (31635761616).

Almost surely, 2212223234013 is an apocalyptic number.

212223234013 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

212223234013 is a deficient number, since it is larger than the sum of its proper divisors (40862858915).

212223234013 is a wasteful number, since it uses less digits than its factorization.

212223234013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1318156763.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 212223234013 its reverse (310432322212), we get a palindrome (522655556225).

The spelling of 212223234013 in words is "two hundred twelve billion, two hundred twenty-three million, two hundred thirty-four thousand, thirteen".

Divisors: 1 7 23 161 1318156733 9227097131 30317604859 212223234013