Search a number
-
+
201013033 = 1315462541
BaseRepresentation
bin10111111101100…
…11011100101001
3112000020112001011
423332303130221
5402424404113
631540223521
74660403554
oct1376633451
9460215034
10201013033
11a3515081
125739aba1
1332850430
141c9a769b
15129a963d
hexbfb3729

201013033 has 4 divisors (see below), whose sum is σ = 216475588. Its totient is φ = 185550480.

The previous prime is 201013013. The next prime is 201013063. The reversal of 201013033 is 330310102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7997584 + 193015449 = 2828^2 + 13893^2 .

It is a cyclic number.

It is not a de Polignac number, because 201013033 - 221 = 198915881 is a prime.

It is a super-3 number, since 3×2010130333 (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 15462541 = 201013033 / (2 + 0 + 1 + 0 + 1 + 3 + 0 + 3 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201013013) 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, 7731258 + ... + 7731283.

It is an arithmetic number, because the mean of its divisors is an integer number (54118897).

Almost surely, 2201013033 is an apocalyptic number.

It is an amenable number.

201013033 is a deficient number, since it is larger than the sum of its proper divisors (15462555).

201013033 is a wasteful number, since it uses less digits than its factorization.

201013033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15462554.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 201013033 is about 14177.9065097778. The cubic root of 201013033 is about 585.7892607318.

Adding to 201013033 its reverse (330310102), we get a palindrome (531323135).

The spelling of 201013033 in words is "two hundred one million, thirteen thousand, thirty-three".

Divisors: 1 13 15462541 201013033