Search a number
-
+
143004411221 = 7199887108751
BaseRepresentation
bin1000010100101110111…
…0100010010101010101
3111200010020000210010212
42011023232202111111
54320333112124341
6145410104455205
713221532303460
oct2051356422525
9450106023125
10143004411221
1155714297821
122386ba7a505
131064015c309
146cc86622d7
153abe8875eb
hex214bba2555

143004411221 has 16 divisors (see below), whose sum is σ = 172054364160. Its totient is φ = 116111070000.

The previous prime is 143004411181. The next prime is 143004411233. The reversal of 143004411221 is 122114400341.

It is a cyclic number.

It is not a de Polignac number, because 143004411221 - 234 = 125824542037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143004411421) 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, 1260596 + ... + 1369346.

It is an arithmetic number, because the mean of its divisors is an integer number (10753397760).

Almost surely, 2143004411221 is an apocalyptic number.

It is an amenable number.

143004411221 is a deficient number, since it is larger than the sum of its proper divisors (29049952939).

143004411221 is a wasteful number, since it uses less digits than its factorization.

143004411221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118664.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 143004411221 its reverse (122114400341), we get a palindrome (265118811562).

The spelling of 143004411221 in words is "one hundred forty-three billion, four million, four hundred eleven thousand, two hundred twenty-one".

Divisors: 1 7 19 133 9887 69209 108751 187853 761257 1314971 2066269 14463883 1075221137 7526547959 20429201603 143004411221