Search a number
-
+
5211981301 is a prime number
BaseRepresentation
bin1001101101010100…
…01000010111110101
3111110020021002020111
410312222020113311
541133231400201
62221102503021
7243105052522
oct46652102765
914406232214
105211981301
11223503376a
121015594a71
13650a4c507
143762c2149
1520787ab51
hex136a885f5

5211981301 has 2 divisors, whose sum is σ = 5211981302. Its totient is φ = 5211981300.

The previous prime is 5211981289. The next prime is 5211981317. The reversal of 5211981301 is 1031891125.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5162278801 + 49702500 = 71849^2 + 7050^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5211981301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5211981001) 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, 2605990650 + 2605990651.

It is an arithmetic number, because the mean of its divisors is an integer number (2605990651).

Almost surely, 25211981301 is an apocalyptic number.

It is an amenable number.

5211981301 is a deficient number, since it is larger than the sum of its proper divisors (1).

5211981301 is an equidigital number, since it uses as much as digits as its factorization.

5211981301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 31.

The square root of 5211981301 is about 72194.0530861095. The cubic root of 5211981301 is about 1733.8077889503.

The spelling of 5211981301 in words is "five billion, two hundred eleven million, nine hundred eighty-one thousand, three hundred one".