Search a number
BaseRepresentation
bin1011101101001111101…
…1100011101110001001
3201020010200110221011211
42323103323203232021
511243400232213001
6232221203253121
720350020436255
oct2732373435611
9636120427154
10201124101001
117832934799a
1232b9007a1a1
1315c7318aab5
149a3d4d5265
155371ebb351
hex2ed3ee3b89

201124101001 has 4 divisors (see below), whose sum is σ = 201198073600. Its totient is φ = 201050128404.

The previous prime is 201124100971. The next prime is 201124101029. The reversal of 201124101001 is 100101421102.

Adding to 201124101001 its reverse (100101421102), we get a palindrome (301225522103).

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 201124101001 - 27 = 201124100873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201124101901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36982221 + ... + 36987658.

It is an arithmetic number, because the mean of its divisors is an integer number (50299518400).

Almost surely, 2201124101001 is an apocalyptic number.

It is an amenable number.

201124101001 is a deficient number, since it is larger than the sum of its proper divisors (73972599).

201124101001 is an equidigital number, since it uses as much as digits as its factorization.

201124101001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73972598.

The product of its (nonzero) digits is 16, while the sum is 13.

The spelling of 201124101001 in words is "two hundred one billion, one hundred twenty-four million, one hundred one thousand, one".

Divisors: 1 2719 73969879 201124101001