Search a number
-
+
143040748909 is a prime number
BaseRepresentation
bin1000010100110111100…
…1001001110101101101
3111200012202101221002011
42011031321021311231
54320421412431114
6145413443401221
713222453206322
oct2051571116555
9450182357064
10143040748909
1155732856873
1223880083211
1310647842bc6
146ccd400b49
153ac2b641c4
hex214de49d6d

143040748909 has 2 divisors, whose sum is σ = 143040748910. Its totient is φ = 143040748908.

The previous prime is 143040748871. The next prime is 143040748933. The reversal of 143040748909 is 909847040341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81227850025 + 61812898884 = 285005^2 + 248622^2 .

It is an emirp because it is prime and its reverse (909847040341) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 143040748909 - 29 = 143040748397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143040448909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71520374454 + 71520374455.

It is an arithmetic number, because the mean of its divisors is an integer number (71520374455).

Almost surely, 2143040748909 is an apocalyptic number.

It is an amenable number.

143040748909 is a deficient number, since it is larger than the sum of its proper divisors (1).

143040748909 is an equidigital number, since it uses as much as digits as its factorization.

143040748909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 870912, while the sum is 49.

The spelling of 143040748909 in words is "one hundred forty-three billion, forty million, seven hundred forty-eight thousand, nine hundred nine".