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211431012241423 = 1321628437519697
BaseRepresentation
bin110000000100101110011110…
…011000010001000000001111
31000201121121101202212012102211
4300010232132120101000033
5210203041203113211143
62025402022141131251
762351246404225162
oct6004563630210017
91021547352765384
10211431012241423
1161406430462647
121b8688b6259b27
1390c8b2201b380
143a2d45bdbdad9
151969c14a6949d
hexc04b9e61100f

211431012241423 has 8 divisors (see below), whose sum is σ = 227695071815568. Its totient is φ = 195166972032384.

The previous prime is 211431012241297. The next prime is 211431012241439. The reversal of 211431012241423 is 324142210134112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-211431012241423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211431012211423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24357111 + ... + 31876807.

It is an arithmetic number, because the mean of its divisors is an integer number (28461883976946).

Almost surely, 2211431012241423 is an apocalyptic number.

211431012241423 is a deficient number, since it is larger than the sum of its proper divisors (16264059574145).

211431012241423 is a wasteful number, since it uses less digits than its factorization.

211431012241423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9682553.

The product of its (nonzero) digits is 9216, while the sum is 31.

Adding to 211431012241423 its reverse (324142210134112), we get a palindrome (535573222375535).

The spelling of 211431012241423 in words is "two hundred eleven trillion, four hundred thirty-one billion, twelve million, two hundred forty-one thousand, four hundred twenty-three".

Divisors: 1 13 2162843 7519697 28116959 97756061 16263924018571 211431012241423