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211223113000103 = 321712165655943
BaseRepresentation
bin110000000001101100110110…
…100111100110010010100111
31000200212201202220202110222002
4300001230312213212102213
5210141134413412000403
62025122320350555515
762330236434643121
oct6001546647462247
91020781686673862
10211223113000103
1161336245793536
121b834555208b9b
1390b233c307009
143a23378b82211
1519645e7d9e188
hexc01b369e64a7

211223113000103 has 4 divisors (see below), whose sum is σ = 211223181873168. Its totient is φ = 211223044127040.

The previous prime is 211223113000091. The next prime is 211223113000111. The reversal of 211223113000103 is 301000311322112.

It is a happy number.

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 211223113000103 - 214 = 211223112983719 is a prime.

It is a super-2 number, since 2×2112231130001032 (a number of 29 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 (211223113000903) 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, 29610851 + ... + 36045092.

It is an arithmetic number, because the mean of its divisors is an integer number (52805795468292).

Almost surely, 2211223113000103 is an apocalyptic number.

211223113000103 is a deficient number, since it is larger than the sum of its proper divisors (68873065).

211223113000103 is an equidigital number, since it uses as much as digits as its factorization.

211223113000103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68873064.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 211223113000103 its reverse (301000311322112), we get a palindrome (512223424322215).

The spelling of 211223113000103 in words is "two hundred eleven trillion, two hundred twenty-three billion, one hundred thirteen million, one hundred three", and thus it is an aban number.

Divisors: 1 3217121 65655943 211223113000103