Search a number
-
+
11100111110101 = 13265681130829
BaseRepresentation
bin1010000110000111001000…
…1011011111111111010101
31110022011022211100222222001
42201201302023133333111
52423331011421010401
635335153132035301
72223646046446066
oct241416213377725
943264284328861
1011100111110101
11359a592384742
1212b3338902b31
13626974c67200
142a536927a56d
15143b15540601
hexa18722dffd5

11100111110101 has 6 divisors (see below), whose sum is σ = 12019646941890. Its totient is φ = 10246256409168.

The previous prime is 11100111110063. The next prime is 11100111110107. The reversal of 11100111110101 is 10101111100111.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 125957559025 + 10974153551076 = 354905^2 + 3312726^2 .

It is not a de Polignac number, because 11100111110101 - 223 = 11100102721493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11100111110107) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 32840565246 + ... + 32840565583.

It is an arithmetic number, because the mean of its divisors is an integer number (2003274490315).

Almost surely, 211100111110101 is an apocalyptic number.

It is an amenable number.

11100111110101 is a deficient number, since it is larger than the sum of its proper divisors (919535831789).

11100111110101 is an equidigital number, since it uses as much as digits as its factorization.

11100111110101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65681130855 (or 65681130842 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 10.

Adding to 11100111110101 its reverse (10101111100111), we get a palindrome (21201222210212).

The spelling of 11100111110101 in words is "eleven trillion, one hundred billion, one hundred eleven million, one hundred ten thousand, one hundred one".

Divisors: 1 13 169 65681130829 853854700777 11100111110101