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212112203233 = 730301743319
BaseRepresentation
bin1100010110001011011…
…1110101110111100001
3202021111110112100202011
43011202313311313201
511433401211000413
6241235404352521
721216223656610
oct3054267656741
9667443470664
10212112203233
1181a57899817
1235137b45741
13170047aab38
14a3a2989877
1557b69aa33d
hex3162df5de1

212112203233 has 4 divisors (see below), whose sum is σ = 242413946560. Its totient is φ = 181810459908.

The previous prime is 212112203227. The next prime is 212112203239. The reversal of 212112203233 is 332302211212.

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.

It is an interprime number because it is at equal distance from previous prime (212112203227) and next prime (212112203239).

It is not a de Polignac number, because 212112203233 - 25 = 212112203201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212112203239) 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, 15150871653 + ... + 15150871666.

It is an arithmetic number, because the mean of its divisors is an integer number (60603486640).

Almost surely, 2212112203233 is an apocalyptic number.

It is an amenable number.

212112203233 is a deficient number, since it is larger than the sum of its proper divisors (30301743327).

212112203233 is an equidigital number, since it uses as much as digits as its factorization.

212112203233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30301743326.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 212112203233 its reverse (332302211212), we get a palindrome (544414414445).

The spelling of 212112203233 in words is "two hundred twelve billion, one hundred twelve million, two hundred three thousand, two hundred thirty-three".

Divisors: 1 7 30301743319 212112203233