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11122012213 = 132185939139
BaseRepresentation
bin10100101101110110…
…00111000000110101
31001201010000202112021
422112323013000311
5140234213342323
65035343153141
7542420354404
oct122673070065
931633022467
1011122012213
1147980a4434
1221a48a57b1
1310832a7420
1477719163b
1545164105d
hex296ec7035

11122012213 has 8 divisors (see below), whose sum is σ = 11978405600. Its totient is φ = 10265740848.

The previous prime is 11122012207. The next prime is 11122012229. The reversal of 11122012213 is 31221022111.

11122012213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11122012213 - 213 = 11122004021 is a prime.

It is a super-2 number, since 2×111220122132 (a number of 21 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 (11122012513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 264598 + ... + 303736.

It is an arithmetic number, because the mean of its divisors is an integer number (1497300700).

Almost surely, 211122012213 is an apocalyptic number.

11122012213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11122012213 is a deficient number, since it is larger than the sum of its proper divisors (856393387).

11122012213 is a wasteful number, since it uses less digits than its factorization.

11122012213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61011.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 11122012213 its reverse (31221022111), we get a palindrome (42343034324).

It can be divided in two parts, 11122012 and 213, that added together give a square (11122225 = 33352).

The spelling of 11122012213 in words is "eleven billion, one hundred twenty-two million, twelve thousand, two hundred thirteen".

Divisors: 1 13 21859 39139 284167 508807 855539401 11122012213