Search a number
-
+
48872351221 is a prime number
BaseRepresentation
bin101101100001000001…
…001110010111110101
311200010222221200022021
4231201001032113311
51300042310214341
634241320033141
73350050062661
oct554101162765
9150128850267
1048872351221
11197aa193911
12957b3027b1
1347bb25b325
142518a758a1
15141089b9d1
hexb6104e5f5

48872351221 has 2 divisors, whose sum is σ = 48872351222. Its totient is φ = 48872351220.

The previous prime is 48872351189. The next prime is 48872351233. The reversal of 48872351221 is 12215327884.

48872351221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43486846225 + 5385504996 = 208535^2 + 73386^2 .

It is a cyclic number.

It is not a de Polignac number, because 48872351221 - 25 = 48872351189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48872354221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24436175610 + 24436175611.

It is an arithmetic number, because the mean of its divisors is an integer number (24436175611).

Almost surely, 248872351221 is an apocalyptic number.

It is an amenable number.

48872351221 is a deficient number, since it is larger than the sum of its proper divisors (1).

48872351221 is an equidigital number, since it uses as much as digits as its factorization.

48872351221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 215040, while the sum is 43.

The spelling of 48872351221 in words is "forty-eight billion, eight hundred seventy-two million, three hundred fifty-one thousand, two hundred twenty-one".