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4200530261 is a prime number
BaseRepresentation
bin1111101001011111…
…0000000101010101
3101211202001001020212
43322113300011111
532100313432021
61532451535205
7206043626624
oct37227600525
911752031225
104200530261
1118660a9614
129928ba505
1351c333185
142bbc336bb
15198b8685b
hexfa5f0155

4200530261 has 2 divisors, whose sum is σ = 4200530262. Its totient is φ = 4200530260.

The previous prime is 4200530209. The next prime is 4200530381. The reversal of 4200530261 is 1620350024.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3285467761 + 915062500 = 57319^2 + 30250^2 .

It is a cyclic number.

It is not a de Polignac number, because 4200530261 - 26 = 4200530197 is a prime.

It is a zygodrome in base 4.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4200530161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2100265130 + 2100265131.

It is an arithmetic number, because the mean of its divisors is an integer number (2100265131).

Almost surely, 24200530261 is an apocalyptic number.

It is an amenable number.

4200530261 is a deficient number, since it is larger than the sum of its proper divisors (1).

4200530261 is an equidigital number, since it uses as much as digits as its factorization.

4200530261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 4200530261 is about 64811.4979073929. The cubic root of 4200530261 is about 1613.4965430313.

Adding to 4200530261 its reverse (1620350024), we get a palindrome (5820880285).

The spelling of 4200530261 in words is "four billion, two hundred million, five hundred thirty thousand, two hundred sixty-one".