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11212664460 = 22351031814347
BaseRepresentation
bin10100111000101001…
…11010111010001100
31001221102121101000220
422130110322322030
5140430420230320
65052342151340
7544601034564
oct123424727214
931842541026
1011212664460
114834290848
12220b122550
131098cc71ca
1478522bda4
1545959ae40
hex29c53ae8c

11212664460 has 48 divisors (see below), whose sum is σ = 31700288256. Its totient is φ = 2961012672.

The previous prime is 11212664453. The next prime is 11212664501. The reversal of 11212664460 is 6446621211.

11212664460 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 900994 + ... + 913353.

It is an arithmetic number, because the mean of its divisors is an integer number (660422672).

Almost surely, 211212664460 is an apocalyptic number.

11212664460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11212664460 is an abundant number, since it is smaller than the sum of its proper divisors (20487623796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11212664460 is a wasteful number, since it uses less digits than its factorization.

11212664460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1814462 (or 1814460 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The spelling of 11212664460 in words is "eleven billion, two hundred twelve million, six hundred sixty-four thousand, four hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 103 206 309 412 515 618 1030 1236 1545 2060 3090 6180 1814347 3628694 5443041 7257388 9071735 10886082 18143470 21772164 27215205 36286940 54430410 108860820 186877741 373755482 560633223 747510964 934388705 1121266446 1868777410 2242532892 2803166115 3737554820 5606332230 11212664460