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11220111268 = 22191381106903
BaseRepresentation
bin10100111001100010…
…10100111110100100
31001221221121201010121
422130301110332210
5140434322030033
65053205531324
7545021241442
oct123461247644
931857551117
1011220111268
114838507733
122211713b44
13109a7038c2
14786209b92
1545a06c62d
hex29cc54fa4

11220111268 has 24 divisors (see below), whose sum is σ = 20683785920. Its totient is φ = 5310891360.

The previous prime is 11220111239. The next prime is 11220111269. The reversal of 11220111268 is 86211102211.

11220111268 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (11220111269) 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, 51505 + ... + 158407.

Almost surely, 211220111268 is an apocalyptic number.

It is an amenable number.

11220111268 is a deficient number, since it is larger than the sum of its proper divisors (9463674652).

11220111268 is a wasteful number, since it uses less digits than its factorization.

11220111268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108307 (or 108305 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 25.

Adding to 11220111268 its reverse (86211102211), we get a palindrome (97431213479).

The spelling of 11220111268 in words is "eleven billion, two hundred twenty million, one hundred eleven thousand, two hundred sixty-eight".

Divisors: 1 2 4 19 38 76 1381 2762 5524 26239 52478 104956 106903 213806 427612 2031157 4062314 8124628 147633043 295266086 590532172 2805027817 5610055634 11220111268