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101010111111011 = 178356651772917
BaseRepresentation
bin10110111101111000111111…
…110010101001111101100011
3111020122110202022120121112202
4112331320333302221331203
5101214422201421023021
6554455223205243415
730163511501003114
oct2675707762517543
9436573668517482
10101010111111011
112a204169437463
12b3b4529a0356b
13444929c132bbb
141ad2cb606220b
15ba2788a40a0b
hex5bde3fca9f63

101010111111011 has 4 divisors (see below), whose sum is σ = 101066762885712. Its totient is φ = 100953459336312.

The previous prime is 101010111110947. The next prime is 101010111111043. The reversal of 101010111111011 is 110111111010101.

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

It is a cyclic number.

It is not a de Polignac number, because 101010111111011 - 26 = 101010111110947 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101010111110983 and 101010111111001.

It is not an unprimeable number, because it can be changed into a prime (101010111141011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28325884676 + ... + 28325888241.

It is an arithmetic number, because the mean of its divisors is an integer number (25266690721428).

Almost surely, 2101010111111011 is an apocalyptic number.

101010111111011 is a deficient number, since it is larger than the sum of its proper divisors (56651774701).

101010111111011 is an equidigital number, since it uses as much as digits as its factorization.

101010111111011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56651774700.

The product of its (nonzero) digits is 1, while the sum is 11.

Adding to 101010111111011 its reverse (110111111010101), we get a palindrome (211121222121112).

The spelling of 101010111111011 in words is "one hundred one trillion, ten billion, one hundred eleven million, one hundred eleven thousand, eleven".

Divisors: 1 1783 56651772917 101010111111011