Search a number
-
+
143111214321 = 394160438389
BaseRepresentation
bin1000010101001000010…
…1111101010011110001
3111200101122222221110020
42011102011331103301
54321042432324241
6145424441554053
713224300151665
oct2052205752361
9450348887406
10143111214321
1155769605549
122389b7a5929
131065931550a
146cd89048a5
153ac8e32b66
hex215217d4f1

143111214321 has 16 divisors (see below), whose sum is σ = 191072114880. Its totient is φ = 95278956480.

The previous prime is 143111214269. The next prime is 143111214331. The reversal of 143111214321 is 123412111341.

It is not a de Polignac number, because 143111214321 - 27 = 143111214193 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 143111214291 and 143111214300.

It is not an unprimeable number, because it can be changed into a prime (143111214331) 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, 17055195 + ... + 17063583.

It is an arithmetic number, because the mean of its divisors is an integer number (11942007180).

Almost surely, 2143111214321 is an apocalyptic number.

It is an amenable number.

143111214321 is a deficient number, since it is larger than the sum of its proper divisors (47960900559).

143111214321 is an equidigital number, since it uses as much as digits as its factorization.

143111214321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15376.

The product of its digits is 576, while the sum is 24.

Adding to 143111214321 its reverse (123412111341), we get a palindrome (266523325662).

The spelling of 143111214321 in words is "one hundred forty-three billion, one hundred eleven million, two hundred fourteen thousand, three hundred twenty-one".

Divisors: 1 3 941 2823 6043 8389 18129 25167 5686463 7894049 17059389 23682147 50694727 152084181 47703738107 143111214321