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10000111101001 = 71428587300143
BaseRepresentation
bin1001000110000101010100…
…0100011110010001001001
31022102000000221021202202021
42101201111010132101021
52302320211420213001
633133553154204441
72051325034603030
oct221412504362111
938360027252667
1010000111101001
11320602901792a
121156108b83721
13577011187a68
14268017bad717
151251d4a8bba1
hex9185511e449

10000111101001 has 4 divisors (see below), whose sum is σ = 11428698401152. Its totient is φ = 8571523800852.

The previous prime is 10000111100983. The next prime is 10000111101011. The reversal of 10000111101001 is 10010111100001.

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 10000111101001 - 233 = 9991521166409 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (7), and also a Moran number because the ratio is a prime number: 1428587300143 = 10000111101001 / (1 + 0 + 0 + 0 + 0 + 1 + 1 + 1 + 1 + 0 + 1 + 0 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10000111101011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 714293650065 + ... + 714293650078.

It is an arithmetic number, because the mean of its divisors is an integer number (2857174600288).

Almost surely, 210000111101001 is an apocalyptic number.

It is an amenable number.

10000111101001 is a deficient number, since it is larger than the sum of its proper divisors (1428587300151).

10000111101001 is an equidigital number, since it uses as much as digits as its factorization.

10000111101001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1428587300150.

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

Adding to 10000111101001 its reverse (10010111100001), we get a palindrome (20010222201002).

It can be divided in two parts, 1000011 and 1101001, that added together give a palindrome (2101012).

The spelling of 10000111101001 in words is "ten trillion, one hundred eleven million, one hundred one thousand, one".

Divisors: 1 7 1428587300143 10000111101001