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1010110111001 = 8911349551809
BaseRepresentation
bin11101011001011110100…
…00010001110100011001
310120120021022101021111122
432230233100101310121
5113022201142023001
62052012125135025
7132656320164215
oct16545720216431
93516238337448
101010110111001
1135a426907a32
121439239ba475
1374339a29a44
1436c6506d945
151b41e124b1b
hexeb2f411d19

1010110111001 has 4 divisors (see below), whose sum is σ = 1021459662900. Its totient is φ = 998760559104.

The previous prime is 1010110110979. The next prime is 1010110111069. The reversal of 1010110111001 is 1001110110101.

1010110111001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 546233333776 + 463876777225 = 739076^2 + 681085^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1010110111001 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1010110111001.

It is not an unprimeable number, because it can be changed into a prime (1010110111081) 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, 5674775816 + ... + 5674775993.

It is an arithmetic number, because the mean of its divisors is an integer number (255364915725).

Almost surely, 21010110111001 is an apocalyptic number.

It is an amenable number.

1010110111001 is a deficient number, since it is larger than the sum of its proper divisors (11349551899).

1010110111001 is an equidigital number, since it uses as much as digits as its factorization.

1010110111001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11349551898.

The product of its (nonzero) digits is 1, while the sum is 8.

Adding to 1010110111001 its reverse (1001110110101), we get a palindrome (2011220221102).

The spelling of 1010110111001 in words is "one trillion, ten billion, one hundred ten million, one hundred eleven thousand, one".

Divisors: 1 89 11349551809 1010110111001