Search a number
-
+
3220813141 = 713173204587
BaseRepresentation
bin1011111111111001…
…1011010101010101
322022110112021000121
42333332123111111
523044012010031
61251333111541
7142546313530
oct27776332525
98273467017
103220813141
111403079647
1275a7885b1
133c43780c0
14227a85a17
1513cb60011
hexbff9b555

3220813141 has 16 divisors (see below), whose sum is σ = 3987010944. Its totient is φ = 2533593024.

The previous prime is 3220813129. The next prime is 3220813157. The reversal of 3220813141 is 1413180223.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 3220813141 - 29 = 3220812629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3220813171) 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, 86551 + ... + 118036.

It is an arithmetic number, because the mean of its divisors is an integer number (249188184).

Almost surely, 23220813141 is an apocalyptic number.

It is an amenable number.

3220813141 is a deficient number, since it is larger than the sum of its proper divisors (766197803).

3220813141 is a wasteful number, since it uses less digits than its factorization.

3220813141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204780.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 3220813141 is about 56752.2082477854. The cubic root of 3220813141 is about 1476.8005422997.

Adding to 3220813141 its reverse (1413180223), we get a palindrome (4633993364).

The spelling of 3220813141 in words is "three billion, two hundred twenty million, eight hundred thirteen thousand, one hundred forty-one".

Divisors: 1 7 13 91 173 1211 2249 15743 204587 1432109 2659631 18617417 35393551 247754857 460116163 3220813141