Search a number
-
+
51002141 is a prime number
BaseRepresentation
bin1100001010001…
…1101100011101
310112222011210012
43002203230131
5101024032031
65021053005
71156340201
oct302435435
9115864705
1051002141
1126875733
12150b7165
13a7495a8
146ab8b01
154726b2b
hex30a3b1d

51002141 has 2 divisors, whose sum is σ = 51002142. Its totient is φ = 51002140.

The previous prime is 51002129. The next prime is 51002153. The reversal of 51002141 is 14120015.

51002141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (51002129) and next prime (51002153).

It can be written as a sum of positive squares in only one way, i.e., 49758916 + 1243225 = 7054^2 + 1115^2 .

It is a cyclic number.

It is not a de Polignac number, because 51002141 - 214 = 50985757 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51002101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25501070 + 25501071.

It is an arithmetic number, because the mean of its divisors is an integer number (25501071).

Almost surely, 251002141 is an apocalyptic number.

It is an amenable number.

51002141 is a deficient number, since it is larger than the sum of its proper divisors (1).

51002141 is an equidigital number, since it uses as much as digits as its factorization.

51002141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 51002141 is about 7141.5783269527. The cubic root of 51002141 is about 370.8481662319.

Adding to 51002141 its reverse (14120015), we get a palindrome (65122156).

The spelling of 51002141 in words is "fifty-one million, two thousand, one hundred forty-one".