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212442301441 = 622973410153
BaseRepresentation
bin1100010111011010001…
…1000100010000000001
3202022100110200002100201
43011312203010100001
511440040212121231
6241332235445201
721230342524216
oct3056643042001
9668313602321
10212442301441
1182107160457
123520a5b6801
1317057cb6516
14a3d4755b0d
1557d5962161
hex31768c4401

212442301441 has 4 divisors (see below), whose sum is σ = 212445773892. Its totient is φ = 212438828992.

The previous prime is 212442301433. The next prime is 212442301447. The reversal of 212442301441 is 144103244212.

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 47261020816 + 165181280625 = 217396^2 + 406425^2 .

It is a cyclic number.

It is not a de Polignac number, because 212442301441 - 23 = 212442301433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212442301447) 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, 1642780 + ... + 1767373.

It is an arithmetic number, because the mean of its divisors is an integer number (53111443473).

Almost surely, 2212442301441 is an apocalyptic number.

It is an amenable number.

212442301441 is a deficient number, since it is larger than the sum of its proper divisors (3472451).

212442301441 is an equidigital number, since it uses as much as digits as its factorization.

212442301441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3472450.

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 212442301441 its reverse (144103244212), we get a palindrome (356545545653).

The spelling of 212442301441 in words is "two hundred twelve billion, four hundred forty-two million, three hundred one thousand, four hundred forty-one".

Divisors: 1 62297 3410153 212442301441