Search a number
-
+
143220444213 = 37111516736101
BaseRepresentation
bin1000010101100010011…
…0101000110000110101
3111200200021112101200210
42011120212220300311
54321303413203323
6145443343100033
713230064455330
oct2053046506065
9450607471623
10143220444213
1155815230590
12239102a1619
1310675b3b1a2
146d09219617
153ad380c293
hex21589a8c35

143220444213 has 64 divisors (see below), whose sum is σ = 240052875264. Its totient is φ = 73785600000.

The previous prime is 143220444197. The next prime is 143220444233. The reversal of 143220444213 is 312444022341.

It is not a de Polignac number, because 143220444213 - 24 = 143220444197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143220444233) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 23471863 + ... + 23477963.

It is an arithmetic number, because the mean of its divisors is an integer number (3750826176).

Almost surely, 2143220444213 is an apocalyptic number.

It is an amenable number.

143220444213 is a deficient number, since it is larger than the sum of its proper divisors (96832431051).

143220444213 is a wasteful number, since it uses less digits than its factorization.

143220444213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6946.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 143220444213 its reverse (312444022341), we get a palindrome (455664466554).

The spelling of 143220444213 in words is "one hundred forty-three billion, two hundred twenty million, four hundred forty-four thousand, two hundred thirteen".

Divisors: 1 3 7 11 21 33 77 151 231 453 673 1057 1661 2019 3171 4711 4983 6101 7403 11627 14133 18303 22209 34881 42707 51821 67111 101623 128121 155463 201333 304869 469777 711361 921251 1117853 1409331 2134083 2763753 3353559 4105973 6448757 7824971 10133761 12317919 19346271 23474913 28741811 30401283 45165703 70936327 86225433 135497109 212808981 316159921 620001923 948479763 1860005769 4340013461 6820021153 13020040383 20460063459 47740148071 143220444213