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10001101001 = 47212789383
BaseRepresentation
bin10010101000001110…
…01011000011001001
3221210222211120102012
421110013023003021
5130440240213001
64332222145305
7502556645603
oct112407130311
927728746365
1010001101001
1142723a7231
121b31422235
13c34cb4658
146ac36c173
153d80292bb
hex2541cb0c9

10001101001 has 4 divisors (see below), whose sum is σ = 10213890432. Its totient is φ = 9788311572.

The previous prime is 10001100997. The next prime is 10001101009. The reversal of 10001101001 is 10010110001.

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 10001101001 - 22 = 10001100997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10001101009) 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, 106394645 + ... + 106394738.

It is an arithmetic number, because the mean of its divisors is an integer number (2553472608).

Almost surely, 210001101001 is an apocalyptic number.

It is an amenable number.

10001101001 is a deficient number, since it is larger than the sum of its proper divisors (212789431).

10001101001 is an equidigital number, since it uses as much as digits as its factorization.

10001101001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212789430.

The product of its (nonzero) digits is 1, while the sum is 5.

Adding to 10001101001 its reverse (10010110001), we get a palindrome (20011211002).

The spelling of 10001101001 in words is "ten billion, one million, one hundred one thousand, one".

Divisors: 1 47 212789383 10001101001