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212211242341 = 730315891763
BaseRepresentation
bin1100010110100011000…
…1101001010101100101
3202021202100220001212021
43011220301221111211
511434102034223331
6241253303223141
721221535540430
oct3055061512545
9667670801767
10212211242341
1181aa879431a
1235165147ab1
131701c176167
14a3b1baa817
1557c0520211
hex3168c69565

212211242341 has 4 divisors (see below), whose sum is σ = 242527134112. Its totient is φ = 181895350572.

The previous prime is 212211242333. The next prime is 212211242351. The reversal of 212211242341 is 143242112212.

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 a cyclic number.

It is not a de Polignac number, because 212211242341 - 23 = 212211242333 is a prime.

It is a super-2 number, since 2×2122112423412 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212211242351) 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, 15157945875 + ... + 15157945888.

It is an arithmetic number, because the mean of its divisors is an integer number (60631783528).

Almost surely, 2212211242341 is an apocalyptic number.

It is an amenable number.

212211242341 is a deficient number, since it is larger than the sum of its proper divisors (30315891771).

212211242341 is an equidigital number, since it uses as much as digits as its factorization.

212211242341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30315891770.

The product of its digits is 1536, while the sum is 25.

Adding to 212211242341 its reverse (143242112212), we get a palindrome (355453354553).

The spelling of 212211242341 in words is "two hundred twelve billion, two hundred eleven million, two hundred forty-two thousand, three hundred forty-one".

Divisors: 1 7 30315891763 212211242341