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11212011340 = 2251929505293
BaseRepresentation
bin10100111000100100…
…11011011101001100
31001221101101012010021
422130102123131030
5140430233330330
65052320151524
7544562344465
oct123422333514
931841335107
1011212011340
114833985082
12220aa685a4
131098b28b4a
147850dbd6c
154594bc67a
hex29c49b74c

11212011340 has 24 divisors (see below), whose sum is σ = 24784446960. Its totient is φ = 4248762048.

The previous prime is 11212011287. The next prime is 11212011353. The reversal of 11212011340 is 4311021211.

11212011340 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 7 ways as a sum of consecutive naturals, for example, 14752267 + ... + 14753026.

It is an arithmetic number, because the mean of its divisors is an integer number (1032685290).

Almost surely, 211212011340 is an apocalyptic number.

11212011340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11212011340 is an abundant number, since it is smaller than the sum of its proper divisors (13572435620).

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

11212011340 is a wasteful number, since it uses less digits than its factorization.

11212011340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29505321 (or 29505319 counting only the distinct ones).

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

Adding to 11212011340 its reverse (4311021211), we get a palindrome (15523032551).

The spelling of 11212011340 in words is "eleven billion, two hundred twelve million, eleven thousand, three hundred forty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 29505293 59010586 118021172 147526465 295052930 560600567 590105860 1121201134 2242402268 2803002835 5606005670 11212011340