Search a number
-
+
42030224437 is a prime number
BaseRepresentation
bin100111001001001100…
…100101010000110101
311000111011021121212011
4213021030211100311
51142034214140222
631150341324221
73015356004325
oct471114452065
9130434247764
1042030224437
1116908a69783
12818ba06671
133c6a87cab6
14206a093285
15115ed69c77
hex9c9325435

42030224437 has 2 divisors, whose sum is σ = 42030224438. Its totient is φ = 42030224436.

The previous prime is 42030224413. The next prime is 42030224447. The reversal of 42030224437 is 73442203024.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30734998596 + 11295225841 = 175314^2 + 106279^2 .

It is a cyclic number.

It is not a de Polignac number, because 42030224437 - 227 = 41896006709 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42030224399 and 42030224408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42030224447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21015112218 + 21015112219.

It is an arithmetic number, because the mean of its divisors is an integer number (21015112219).

Almost surely, 242030224437 is an apocalyptic number.

It is an amenable number.

42030224437 is a deficient number, since it is larger than the sum of its proper divisors (1).

42030224437 is an equidigital number, since it uses as much as digits as its factorization.

42030224437 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 31.

The spelling of 42030224437 in words is "forty-two billion, thirty million, two hundred twenty-four thousand, four hundred thirty-seven".