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212310231111011 = 1190863212417927
BaseRepresentation
bin110000010001100001010011…
…111010000101010101100011
31000211201122211001021110221102
4300101201103322011111203
5210311442323131023021
62031313550152545015
762501623306265525
oct6021412372052543
91024648731243842
10212310231111011
11617152996005a0
121b98b18a9b216b
1391609cc3256b7
143a5dc27467a15
151982a2297e00b
hexc11853e85563

212310231111011 has 8 divisors (see below), whose sum is σ = 231613711317504. Its totient is φ = 193007175922120.

The previous prime is 212310231111001. The next prime is 212310231111019. The reversal of 212310231111011 is 110111132013212.

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

It is a cyclic number.

It is not a de Polignac number, because 212310231111011 - 26 = 212310231110947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212310231111019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105209471 + ... + 107208456.

It is an arithmetic number, because the mean of its divisors is an integer number (28951713914688).

Almost surely, 2212310231111011 is an apocalyptic number.

212310231111011 is a deficient number, since it is larger than the sum of its proper divisors (19303480206493).

212310231111011 is a wasteful number, since it uses less digits than its factorization.

212310231111011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212508801.

The product of its (nonzero) digits is 72, while the sum is 20.

Adding to 212310231111011 its reverse (110111132013212), we get a palindrome (322421363124223).

The spelling of 212310231111011 in words is "two hundred twelve trillion, three hundred ten billion, two hundred thirty-one million, one hundred eleven thousand, eleven".

Divisors: 1 11 90863 999493 212417927 2336597197 19300930101001 212310231111011