Search a number
-
+
230349473789 is a prime number
BaseRepresentation
bin1101011010000111100…
…1100000011111111101
3211000120110011200210012
43112201321200133331
512233223431130124
6253453204353005
722433163135611
oct3264171403775
9730513150705
10230349473789
1189766300046
12387876a5765
131894cc14aa6
14b212adb341
155ed2ad0e0e
hex35a1e607fd

230349473789 has 2 divisors, whose sum is σ = 230349473790. Its totient is φ = 230349473788.

The previous prime is 230349473779. The next prime is 230349473831. The reversal of 230349473789 is 987374943032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 162610562500 + 67738911289 = 403250^2 + 260267^2 .

It is a cyclic number.

It is not a de Polignac number, because 230349473789 - 24 = 230349473773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230349473779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115174736894 + 115174736895.

It is an arithmetic number, because the mean of its divisors is an integer number (115174736895).

Almost surely, 2230349473789 is an apocalyptic number.

It is an amenable number.

230349473789 is a deficient number, since it is larger than the sum of its proper divisors (1).

230349473789 is an equidigital number, since it uses as much as digits as its factorization.

230349473789 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27433728, while the sum is 59.

The spelling of 230349473789 in words is "two hundred thirty billion, three hundred forty-nine million, four hundred seventy-three thousand, seven hundred eighty-nine".