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12211101164 = 223052775291
BaseRepresentation
bin10110101111101011…
…01001110111101100
31011112000100012201002
423113311221313230
5200002020214124
65335410135432
7611413435013
oct132765516754
934460305632
1012211101164
1151a6937049
122449581578
1311c7b07962
1483ba8da7a
154b706e0ae
hex2d7d69dec

12211101164 has 6 divisors (see below), whose sum is σ = 21369427044. Its totient is φ = 6105550580.

The previous prime is 12211101163. The next prime is 12211101169. The reversal of 12211101164 is 46110111221.

It is a super-2 number, since 2×122111011642 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12211101163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1526387642 + ... + 1526387649.

It is an arithmetic number, because the mean of its divisors is an integer number (3561571174).

Almost surely, 212211101164 is an apocalyptic number.

It is an amenable number.

12211101164 is a deficient number, since it is larger than the sum of its proper divisors (9158325880).

12211101164 is a wasteful number, since it uses less digits than its factorization.

12211101164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3052775295 (or 3052775293 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 20.

Adding to 12211101164 its reverse (46110111221), we get a palindrome (58321212385).

The spelling of 12211101164 in words is "twelve billion, two hundred eleven million, one hundred one thousand, one hundred sixty-four".

Divisors: 1 2 4 3052775291 6105550582 12211101164