Search a number
-
+
101111010010001 = 2914417324183353
BaseRepresentation
bin10110111111010110111101…
…110101011010001110010001
3111021000010012010122202101122
4112333112331311122032101
5101223100322030310001
6555013431243012025
730204013041333305
oct2677267565321621
9437003163582348
10101111010010001
112a242a36212692
12b40bba880a015
13445595bc41b24
141ad7b28633d05
15ba51e1b3ab1b
hex5bf5bdd5a391

101111010010001 has 8 divisors (see below), whose sum is σ = 104598326387880. Its totient is φ = 97623742287232.

The previous prime is 101111010009913. The next prime is 101111010010057. The reversal of 101111010010001 is 100010010111101.

It can be written as a sum of positive squares in 4 ways, for example, as 3158552401 + 101107851457600 = 56201^2 + 10055240^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 101111010010001 - 218 = 101111009747857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101111010016001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7910660 + ... + 16272693.

It is an arithmetic number, because the mean of its divisors is an integer number (13074790798485).

Almost surely, 2101111010010001 is an apocalyptic number.

It is an amenable number.

101111010010001 is a deficient number, since it is larger than the sum of its proper divisors (3487316377879).

101111010010001 is a wasteful number, since it uses less digits than its factorization.

101111010010001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24327555.

The product of its (nonzero) digits is 1, while the sum is 8.

Adding to 101111010010001 its reverse (100010010111101), we get a palindrome (201121020121102).

The spelling of 101111010010001 in words is "one hundred one trillion, one hundred eleven billion, ten million, ten thousand, one".

Divisors: 1 29 144173 4181017 24183353 701317237 3486586552069 101111010010001