Search a number
-
+
1320513141 = 311319320183
BaseRepresentation
bin100111010110101…
…0110111001110101
310102000210000111010
41032231112321311
510201022410031
6335011102433
744503114353
oct11655267165
93360700433
101320513141
11618439082
1230a2a1a19
1318076ab2c
14c75407d3
157ade3246
hex4eb56e75

1320513141 has 16 divisors (see below), whose sum is σ = 1785557376. Its totient is φ = 867987456.

The previous prime is 1320513083. The next prime is 1320513149. The reversal of 1320513141 is 1413150231.

It is not a de Polignac number, because 1320513141 - 27 = 1320513013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320513149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55336 + ... + 75518.

It is an arithmetic number, because the mean of its divisors is an integer number (111597336).

Almost surely, 21320513141 is an apocalyptic number.

It is an amenable number.

1320513141 is a deficient number, since it is larger than the sum of its proper divisors (465044235).

1320513141 is a wasteful number, since it uses less digits than its factorization.

1320513141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20492.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 1320513141 is about 36338.8654335823. The cubic root of 1320513141 is about 1097.1034374812.

Adding to 1320513141 its reverse (1413150231), we get a palindrome (2733663372).

The spelling of 1320513141 in words is "one billion, three hundred twenty million, five hundred thirteen thousand, one hundred forty-one".

Divisors: 1 3 113 193 339 579 20183 21809 60549 65427 2280679 3895319 6842037 11685957 440171047 1320513141