Search a number
-
+
1001110101001 = 1768195661779
BaseRepresentation
bin11101001000101101100…
…11111101110000001001
310112201001002021101202221
432210112303331300021
5112400233141213001
62043523103454041
7132220304312053
oct16442663756011
93481032241687
101001110101001
1135662860a23a
121420318b7321
137353427503a
143664da548d3
151b093e451a1
hexe916cfdc09

1001110101001 has 4 divisors (see below), whose sum is σ = 1001115939600. Its totient is φ = 1001104262404.

The previous prime is 1001110100987. The next prime is 1001110101029. The reversal of 1001110101001 is 1001010111001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1001110101001 - 211 = 1001110098953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1001110101071) 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, 2654071 + ... + 3007708.

It is an arithmetic number, because the mean of its divisors is an integer number (250278984900).

Almost surely, 21001110101001 is an apocalyptic number.

It is an amenable number.

1001110101001 is a deficient number, since it is larger than the sum of its proper divisors (5838599).

1001110101001 is an equidigital number, since it uses as much as digits as its factorization.

1001110101001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5838598.

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

Adding to 1001110101001 its reverse (1001010111001), we get a palindrome (2002120212002).

The spelling of 1001110101001 in words is "one trillion, one billion, one hundred ten million, one hundred one thousand, one".

Divisors: 1 176819 5661779 1001110101001