Search a number
-
+
2115424349 is a prime number
BaseRepresentation
bin111111000010110…
…1101000001011101
312110102112200122222
41332011231001131
513313022034344
6545524515125
7103264544633
oct17605550135
95412480588
102115424349
11996113695
124b054baa5
1327935b6ac
14160d43353
15c5ab25ee
hex7e16d05d

2115424349 has 2 divisors, whose sum is σ = 2115424350. Its totient is φ = 2115424348.

The previous prime is 2115424321. The next prime is 2115424361. The reversal of 2115424349 is 9434245112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2100847225 + 14577124 = 45835^2 + 3818^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2115424349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2115424309) 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, 1057712174 + 1057712175.

It is an arithmetic number, because the mean of its divisors is an integer number (1057712175).

Almost surely, 22115424349 is an apocalyptic number.

It is an amenable number.

2115424349 is a deficient number, since it is larger than the sum of its proper divisors (1).

2115424349 is an equidigital number, since it uses as much as digits as its factorization.

2115424349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34560, while the sum is 35.

The square root of 2115424349 is about 45993.7424983008. The cubic root of 2115424349 is about 1283.7067740480.

The spelling of 2115424349 in words is "two billion, one hundred fifteen million, four hundred twenty-four thousand, three hundred forty-nine".