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212412342433 = 257826507169
BaseRepresentation
bin1100010111010011000…
…0110010000010100001
3202022021101022000022211
43011310300302002201
511440010024424213
6241325245402121
721226530056164
oct3056460620241
9668241260284
10212412342433
11820a1258845
1235200569341
1317051a270b5
14a3d0797adb
1557d2ee553d
hex3174c320a1

212412342433 has 4 divisors (see below), whose sum is σ = 213238849860. Its totient is φ = 211585835008.

The previous prime is 212412342419. The next prime is 212412342479. The reversal of 212412342433 is 334243214212.

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

It can be written as a sum of positive squares in 2 ways, for example, as 206267663889 + 6144678544 = 454167^2 + 78388^2 .

It is a cyclic number.

It is not a de Polignac number, because 212412342433 - 225 = 212378788001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212412342395 and 212412342404.

It is not an unprimeable number, because it can be changed into a prime (212412342413) 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, 413253328 + ... + 413253841.

It is an arithmetic number, because the mean of its divisors is an integer number (53309712465).

Almost surely, 2212412342433 is an apocalyptic number.

It is an amenable number.

212412342433 is a deficient number, since it is larger than the sum of its proper divisors (826507427).

212412342433 is an equidigital number, since it uses as much as digits as its factorization.

212412342433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 826507426.

The product of its digits is 27648, while the sum is 31.

Adding to 212412342433 its reverse (334243214212), we get a palindrome (546655556645).

The spelling of 212412342433 in words is "two hundred twelve billion, four hundred twelve million, three hundred forty-two thousand, four hundred thirty-three".

Divisors: 1 257 826507169 212412342433