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11027405105 = 52205481021
BaseRepresentation
bin10100100010100100…
…01101100100110001
31001110112000012222022
422101102031210301
5140041003430410
65022123321225
7540161253053
oct122122154461
931415005868
1011027405105
114749756742
122179080215
1310698014a2
147687a58d3
154481a4455
hex29148d931

11027405105 has 4 divisors (see below), whose sum is σ = 13232886132. Its totient is φ = 8821924080.

The previous prime is 11027405101. The next prime is 11027405119. The reversal of 11027405105 is 50150472011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2095075984 + 8932329121 = 45772^2 + 94511^2 .

It is not a de Polignac number, because 11027405105 - 22 = 11027405101 is a prime.

It is a super-2 number, since 2×110274051052 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11027405101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1102740506 + ... + 1102740515.

It is an arithmetic number, because the mean of its divisors is an integer number (3308221533).

Almost surely, 211027405105 is an apocalyptic number.

It is an amenable number.

11027405105 is a deficient number, since it is larger than the sum of its proper divisors (2205481027).

11027405105 is an equidigital number, since it uses as much as digits as its factorization.

11027405105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2205481026.

The product of its (nonzero) digits is 1400, while the sum is 26.

Adding to 11027405105 its reverse (50150472011), we get a palindrome (61177877116).

The spelling of 11027405105 in words is "eleven billion, twenty-seven million, four hundred five thousand, one hundred five".

Divisors: 1 5 2205481021 11027405105