Search a number
-
+
201001320013121 = 2573461390757839
BaseRepresentation
bin101101101100111101000100…
…010001110101110101000001
3222100200112112120220002122022
4231230331010101311311001
5202321201200410404441
61551254422012251225
760223603042066355
oct5554750421656501
9870615476802568
10201001320013121
11590551aa065681
121a66349b470b15
13882045cb7ba74
14378c7314bb465
15183878b64a84b
hexb6cf44475d41

201001320013121 has 16 divisors (see below), whose sum is σ = 201896880549120. Its totient is φ = 200106672353280.

The previous prime is 201001320013099. The next prime is 201001320013303. The reversal of 201001320013121 is 121310023100102.

201001320013121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 201001320013121 - 234 = 200984140143937 is a prime.

It is a super-2 number, since 2×2010013200131212 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201001320013121.

It is not an unprimeable number, because it can be changed into a prime (201001328013121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3475157720 + ... + 3475215558.

It is an arithmetic number, because the mean of its divisors is an integer number (12618555034320).

Almost surely, 2201001320013121 is an apocalyptic number.

It is an amenable number.

201001320013121 is a deficient number, since it is larger than the sum of its proper divisors (895560535999).

201001320013121 is a wasteful number, since it uses less digits than its factorization.

201001320013121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65464.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 201001320013121 its reverse (121310023100102), we get a palindrome (322311343113223).

The spelling of 201001320013121 in words is "two hundred one trillion, one billion, three hundred twenty million, thirteen thousand, one hundred twenty-one".

Divisors: 1 257 3461 3907 57839 889477 1004099 13522127 14864623 200180779 225976973 3475186639 51446460203 58076082061 782106303553 201001320013121