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11212018 = 2311391301
BaseRepresentation
bin101010110001…
…010011110010
3210002121222221
4222301103302
510332241033
61040151254
7164205046
oct52612362
923077887
1011212018
116368834
12390852a
13242743c
1416bc026
15eb712d
hexab14f2

11212018 has 16 divisors (see below), whose sum is σ = 17498880. Its totient is φ = 5382000.

The previous prime is 11212013. The next prime is 11212037. The reversal of 11212018 is 81021211.

11212018 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 11211992 and 11212010.

It is not an unprimeable number, because it can be changed into a prime (11212013) 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, 7968 + ... + 9268.

It is an arithmetic number, because the mean of its divisors is an integer number (1093680).

Almost surely, 211212018 is an apocalyptic number.

11212018 is a deficient number, since it is larger than the sum of its proper divisors (6286862).

11212018 is a wasteful number, since it uses less digits than its factorization.

11212018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1473.

The product of its (nonzero) digits is 32, while the sum is 16.

The square root of 11212018 is about 3348.4351569054. The cubic root of 11212018 is about 223.8177860222.

Adding to 11212018 its reverse (81021211), we get a palindrome (92233229).

The spelling of 11212018 in words is "eleven million, two hundred twelve thousand, eighteen".

Divisors: 1 2 31 62 139 278 1301 2602 4309 8618 40331 80662 180839 361678 5606009 11212018