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212013000223 = 423859500197
BaseRepresentation
bin1100010101110011110…
…1011010011000011111
3202021020112212022210121
43011130331122120133
511433200312001343
6241221502215411
721213610524163
oct3053475323037
9667215768717
10212013000223
1181a068a2062
123510a884567
1316cba08602b
14a393724ca3
1557ace11aed
hex315cf5a61f

212013000223 has 4 divisors (see below), whose sum is σ = 212013924280. Its totient is φ = 212012076168.

The previous prime is 212013000187. The next prime is 212013000257. The reversal of 212013000223 is 322000310212.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 212013000223 - 225 = 211979445791 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212013000197 and 212013000206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212013000323) 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, 173761 + ... + 673957.

It is an arithmetic number, because the mean of its divisors is an integer number (53003481070).

Almost surely, 2212013000223 is an apocalyptic number.

212013000223 is a deficient number, since it is larger than the sum of its proper divisors (924057).

212013000223 is an equidigital number, since it uses as much as digits as its factorization.

212013000223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924056.

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

Adding to 212013000223 its reverse (322000310212), we get a palindrome (534013310435).

The spelling of 212013000223 in words is "two hundred twelve billion, thirteen million, two hundred twenty-three", and thus it is an aban number.

Divisors: 1 423859 500197 212013000223