Search a number
-
+
2111015497 is a prime number
BaseRepresentation
bin111110111010011…
…1000101001001001
312110010020200212011
41331310320221021
513310404443442
6545250215521
7103212223063
oct17564705111
95403220764
102111015497
11993682208
124aab845a1
132784769c6
14160516733
15c54e1117
hex7dd38a49

2111015497 has 2 divisors, whose sum is σ = 2111015498. Its totient is φ = 2111015496.

The previous prime is 2111015407. The next prime is 2111015513. The reversal of 2111015497 is 7945101112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2099564041 + 11451456 = 45821^2 + 3384^2 .

It is a cyclic number.

It is not a de Polignac number, because 2111015497 - 215 = 2110982729 is a prime.

It is not a weakly prime, because it can be changed into another prime (2111015407) 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, 1055507748 + 1055507749.

It is an arithmetic number, because the mean of its divisors is an integer number (1055507749).

Almost surely, 22111015497 is an apocalyptic number.

It is an amenable number.

2111015497 is a deficient number, since it is larger than the sum of its proper divisors (1).

2111015497 is an equidigital number, since it uses as much as digits as its factorization.

2111015497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 31.

The square root of 2111015497 is about 45945.7886753509. The cubic root of 2111015497 is about 1282.8143432377.

The spelling of 2111015497 in words is "two billion, one hundred eleven million, fifteen thousand, four hundred ninety-seven".