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2107118249 is a prime number
BaseRepresentation
bin111110110011000…
…0001001010101001
312102211220200211122
41331212001022221
513303410240444
6545030505025
7103134131615
oct17546011251
95384820748
102107118249
11991460145
124a9805175
13277710b42
1415dbc0345
15c4ec14ee
hex7d9812a9

2107118249 has 2 divisors, whose sum is σ = 2107118250. Its totient is φ = 2107118248.

The previous prime is 2107118219. The next prime is 2107118287. The reversal of 2107118249 is 9428117012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1626105625 + 481012624 = 40325^2 + 21932^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2107118249 is a prime.

It is not a weakly prime, because it can be changed into another prime (2107118219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1053559124 + 1053559125.

It is an arithmetic number, because the mean of its divisors is an integer number (1053559125).

Almost surely, 22107118249 is an apocalyptic number.

It is an amenable number.

2107118249 is a deficient number, since it is larger than the sum of its proper divisors (1).

2107118249 is an equidigital number, since it uses as much as digits as its factorization.

2107118249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 35.

The square root of 2107118249 is about 45903.3577094312. The cubic root of 2107118249 is about 1282.0244350359.

The spelling of 2107118249 in words is "two billion, one hundred seven million, one hundred eighteen thousand, two hundred forty-nine".