Search a number
-
+
1111202301001 = 1385477100077
BaseRepresentation
bin10000001010111000110…
…100011000010001001001
310221020012121011121202211
4100022320310120101021
5121201220242113001
62210251305425121
7143165425500142
oct20127064302111
93836177147684
101111202301001
113992928035a1
1215b43749b1a1
1380a2a8b4350
143bad5198ac9
151dd891a1351
hex102b8d18449

1111202301001 has 4 divisors (see below), whose sum is σ = 1196679401092. Its totient is φ = 1025725200912.

The previous prime is 1111202300993. The next prime is 1111202301047. The reversal of 1111202301001 is 1001032021111.

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 537214236601 + 573988064400 = 732949^2 + 757620^2 .

It is a cyclic number.

It is not a de Polignac number, because 1111202301001 - 23 = 1111202300993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 85477100077 = 1111202301001 / (1 + 1 + 1 + 1 + 2 + 0 + 2 + 3 + 0 + 1 + 0 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1111202301061) 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, 42738550026 + ... + 42738550051.

It is an arithmetic number, because the mean of its divisors is an integer number (299169850273).

Almost surely, 21111202301001 is an apocalyptic number.

It is an amenable number.

1111202301001 is a deficient number, since it is larger than the sum of its proper divisors (85477100091).

1111202301001 is an equidigital number, since it uses as much as digits as its factorization.

1111202301001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85477100090.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 1111202301001 its reverse (1001032021111), we get a palindrome (2112234322112).

The spelling of 1111202301001 in words is "one trillion, one hundred eleven billion, two hundred two million, three hundred one thousand, one".

Divisors: 1 13 85477100077 1111202301001