Search a number
-
+
143641113 = 37114314461
BaseRepresentation
bin10001000111111…
…00101000011001
3101000021201120020
420203330220121
5243233003423
622130421053
73362633520
oct1043745031
9330251506
10143641113
1174099770
1240131789
13239b3755
14151114b7
15c9254e3
hex88fca19

143641113 has 32 divisors (see below), whose sum is σ = 244349952. Its totient is φ = 72878400.

The previous prime is 143641097. The next prime is 143641123. The reversal of 143641113 is 311146341.

It is not a de Polignac number, because 143641113 - 24 = 143641097 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (143641123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2703 + ... + 17163.

It is an arithmetic number, because the mean of its divisors is an integer number (7635936).

Almost surely, 2143641113 is an apocalyptic number.

It is an amenable number.

143641113 is a deficient number, since it is larger than the sum of its proper divisors (100708839).

143641113 is a wasteful number, since it uses less digits than its factorization.

143641113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14525.

The product of its digits is 864, while the sum is 24.

The square root of 143641113 is about 11985.0370462506. The cubic root of 143641113 is about 523.7124767729.

Adding to 143641113 its reverse (311146341), we get a palindrome (454787454).

The spelling of 143641113 in words is "one hundred forty-three million, six hundred forty-one thousand, one hundred thirteen".

Divisors: 1 3 7 11 21 33 43 77 129 231 301 473 903 1419 3311 9933 14461 43383 101227 159071 303681 477213 621823 1113497 1865469 3340491 4352761 6840053 13058283 20520159 47880371 143641113