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212020221119 = 730288603017
BaseRepresentation
bin1100010101110101100…
…0111101010010111111
3202021021001110012000012
43011131120331102333
511433204134033434
6241222321053435
721214026100310
oct3053530752277
9667231405005
10212020221119
1181a0a984243
123511118727b
1316cbb713955
14a394684607
1557ad88b3ce
hex315d63d4bf

212020221119 has 4 divisors (see below), whose sum is σ = 242308824144. Its totient is φ = 181731618096.

The previous prime is 212020221079. The next prime is 212020221157. The reversal of 212020221119 is 911122020212.

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

It is not a de Polignac number, because 212020221119 - 224 = 212003443903 is a prime.

It is a super-2 number, since 2×2120202211192 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212020221094 and 212020221103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212020221169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15144301502 + ... + 15144301515.

It is an arithmetic number, because the mean of its divisors is an integer number (60577206036).

Almost surely, 2212020221119 is an apocalyptic number.

212020221119 is a deficient number, since it is larger than the sum of its proper divisors (30288603025).

212020221119 is an equidigital number, since it uses as much as digits as its factorization.

212020221119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30288603024.

The product of its (nonzero) digits is 288, while the sum is 23.

The spelling of 212020221119 in words is "two hundred twelve billion, twenty million, two hundred twenty-one thousand, one hundred nineteen".

Divisors: 1 7 30288603017 212020221119