Search a number
-
+
201320421301 = 18123943910601
BaseRepresentation
bin1011101101111110100…
…0011101011110110101
3201020122100220001000001
42323133220131132311
511244301011440201
6232252455151301
720354623226536
oct2733750353665
9636570801001
10201320421301
117841a14727a
1233025975531
1315ca4a5725c
149a5b5da68d
15538434a301
hex2edfa1d7b5

201320421301 has 16 divisors (see below), whose sum is σ = 203761958400. Its totient is φ = 198897552000.

The previous prime is 201320421271. The next prime is 201320421307. The reversal of 201320421301 is 103124023102.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 201320421301 - 27 = 201320421173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201320421307) 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, 18985401 + ... + 18996001.

It is an arithmetic number, because the mean of its divisors is an integer number (12735122400).

Almost surely, 2201320421301 is an apocalyptic number.

It is an amenable number.

201320421301 is a deficient number, since it is larger than the sum of its proper divisors (2441537099).

201320421301 is a wasteful number, since it uses less digits than its factorization.

201320421301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11460.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 201320421301 its reverse (103124023102), we get a palindrome (304444444403).

The spelling of 201320421301 in words is "two hundred one billion, three hundred twenty million, four hundred twenty-one thousand, three hundred one".

Divisors: 1 181 239 439 10601 43259 79459 104921 1918781 2533639 4653839 18990701 458588659 842344859 1112267521 201320421301