Search a number
-
+
10011111011101 = 101990110011101
BaseRepresentation
bin1001000110101110010010…
…1101110011001100011101
31022110001102112120002200001
42101223210231303030131
52303010223404323401
633143012500334301
72052164443362544
oct221534455631435
938401375502601
1010011111011101
11320a7631a4122
1211582789a4391
135780750804c5
1426877ca5915b
1512562a60e601
hex91ae4b7331d

10011111011101 has 8 divisors (see below), whose sum is σ = 10111253064408. Its totient is φ = 9910989000000.

The previous prime is 10011111011081. The next prime is 10011111011117. The reversal of 10011111011101 is 10111011111001.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4938372840025 + 5072738171076 = 2222245^2 + 2252274^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10011111011101 - 213 = 10011111002909 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 (10011111011131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4005550 + ... + 6005551.

It is an arithmetic number, because the mean of its divisors is an integer number (1263906633051).

Almost surely, 210011111011101 is an apocalyptic number.

It is an amenable number.

10011111011101 is a deficient number, since it is larger than the sum of its proper divisors (100142053307).

10011111011101 is a wasteful number, since it uses less digits than its factorization.

10011111011101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10021103.

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

Adding to 10011111011101 its reverse (10111011111001), we get a palindrome (20122122122102).

The spelling of 10011111011101 in words is "ten trillion, eleven billion, one hundred eleven million, eleven thousand, one hundred one".

Divisors: 1 101 9901 1000001 10011101 1011121201 99119911001 10011111011101