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212000311223 = 1911157911117
BaseRepresentation
bin1100010101110000110…
…1000000011110110111
3202021012122222122202122
43011130031000132313
511433134034424343
6241220330230155
721213364625051
oct3053415003667
9667178878678
10212000311223
11819aa715688
123510658535b
1316cb756254c
14a391b808d1
1557abc57068
hex315c3407b7

212000311223 has 4 divisors (see below), whose sum is σ = 223158222360. Its totient is φ = 200842400088.

The previous prime is 212000311207. The next prime is 212000311253. The reversal of 212000311223 is 322113000212.

212000311223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 212000311223 - 24 = 212000311207 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 (212000311253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5578955540 + ... + 5578955577.

It is an arithmetic number, because the mean of its divisors is an integer number (55789555590).

Almost surely, 2212000311223 is an apocalyptic number.

212000311223 is a deficient number, since it is larger than the sum of its proper divisors (11157911137).

212000311223 is a wasteful number, since it uses less digits than its factorization.

212000311223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11157911136.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 212000311223 its reverse (322113000212), we get a palindrome (534113311435).

The spelling of 212000311223 in words is "two hundred twelve billion, three hundred eleven thousand, two hundred twenty-three".

Divisors: 1 19 11157911117 212000311223