Search a number
-
+
2551310129 is a prime number
BaseRepresentation
bin1001100000010001…
…1110011100110001
320120210201222112202
42120010132130301
520211113411004
61101055232545
7120136530644
oct23004363461
96523658482
102551310129
11109a16a075
125b2518755
13318755c84
141a2ba9a5b
15edeb3b1e
hex9811e731

2551310129 has 2 divisors, whose sum is σ = 2551310130. Its totient is φ = 2551310128.

The previous prime is 2551310117. The next prime is 2551310143. The reversal of 2551310129 is 9210131552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1463827600 + 1087482529 = 38260^2 + 32977^2 .

It is a cyclic number.

It is not a de Polignac number, because 2551310129 - 216 = 2551244593 is a prime.

It is not a weakly prime, because it can be changed into another prime (2551310159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1275655064 + 1275655065.

It is an arithmetic number, because the mean of its divisors is an integer number (1275655065).

Almost surely, 22551310129 is an apocalyptic number.

It is an amenable number.

2551310129 is a deficient number, since it is larger than the sum of its proper divisors (1).

2551310129 is an equidigital number, since it uses as much as digits as its factorization.

2551310129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2700, while the sum is 29.

The square root of 2551310129 is about 50510.4952361388. The cubic root of 2551310129 is about 1366.4311411367.

The spelling of 2551310129 in words is "two billion, five hundred fifty-one million, three hundred ten thousand, one hundred twenty-nine".