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1110110001001 = 5320945471717
BaseRepresentation
bin10000001001110111101…
…101100101011101101001
310221010101110211000212021
4100021313231211131221
5121142001130013001
62205551045544441
7143126363214061
oct20116755453551
93833343730767
101110110001001
11398882178421
1215b191715121
13808b54cb3a1
143ba300a23a1
151dd2333bba1
hex10277b65769

1110110001001 has 4 divisors (see below), whose sum is σ = 1131055472772. Its totient is φ = 1089164529232.

The previous prime is 1110110000941. The next prime is 1110110001053. The reversal of 1110110001001 is 1001000110111.

It is a happy number.

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 708204719401 + 401905281600 = 841549^2 + 633960^2 .

It is a cyclic number.

It is not a de Polignac number, because 1110110001001 - 27 = 1110110000873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1110110001071) 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, 10472735806 + ... + 10472735911.

It is an arithmetic number, because the mean of its divisors is an integer number (282763868193).

Almost surely, 21110110001001 is an apocalyptic number.

It is an amenable number.

1110110001001 is a deficient number, since it is larger than the sum of its proper divisors (20945471771).

1110110001001 is an equidigital number, since it uses as much as digits as its factorization.

1110110001001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20945471770.

The product of its (nonzero) digits is 1, while the sum is 7.

Adding to 1110110001001 its reverse (1001000110111), we get a palindrome (2111110111112).

The spelling of 1110110001001 in words is "one trillion, one hundred ten billion, one hundred ten million, one thousand, one".

Divisors: 1 53 20945471717 1110110001001