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212442422230511 = 11171278945320739
BaseRepresentation
bin110000010011011100011011…
…000111001011110111101111
31000212012022000200012010110022
4300103130123013023313233
5210321124040042334021
62031454411303232355
762514313160254424
oct6023343307136757
91025168020163408
10212442422230511
1161766363a94190
121b9b09214486bb
13917030813c735
143a663a793bd4b
1519861acd581ab
hexc1371b1cbdef

212442422230511 has 16 divisors (see below), whose sum is σ = 247320227819520. Its totient is φ = 180337666078080.

The previous prime is 212442422230483. The next prime is 212442422230513. The reversal of 212442422230511 is 115032224244212.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 212442422230511 - 26 = 212442422230447 is a prime.

It is a super-2 number, since 2×2124424222305112 (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 (212442422230513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4472636621 + ... + 4472684118.

It is an arithmetic number, because the mean of its divisors is an integer number (15457514238720).

Almost surely, 2212442422230511 is an apocalyptic number.

212442422230511 is a deficient number, since it is larger than the sum of its proper divisors (34877805589009).

212442422230511 is a wasteful number, since it uses less digits than its factorization.

212442422230511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8945320894.

The product of its (nonzero) digits is 61440, while the sum is 35.

Adding to 212442422230511 its reverse (115032224244212), we get a palindrome (327474646474723).

The spelling of 212442422230511 in words is "two hundred twelve trillion, four hundred forty-two billion, four hundred twenty-two million, two hundred thirty thousand, five hundred eleven".

Divisors: 1 11 17 127 187 1397 2159 23749 8945320739 98398528129 152070452563 1136055733853 1672774978193 12496613072383 19312947475501 212442422230511