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2105555093 is a prime number
BaseRepresentation
bin111110110000000…
…0011100010010101
312102201222021120222
41331200003202111
513303010230333
6544533204125
7103114631405
oct17540034225
95381867528
102105555093
11990592784
124a9190645
132772b44b5
1415d8d4805
15c4cb3298
hex7d803895

2105555093 has 2 divisors, whose sum is σ = 2105555094. Its totient is φ = 2105555092.

The previous prime is 2105555087. The next prime is 2105555107. The reversal of 2105555093 is 3905555012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2050097284 + 55457809 = 45278^2 + 7447^2 .

It is a cyclic number.

It is not a de Polignac number, because 2105555093 - 226 = 2038446229 is a prime.

It is a Sophie Germain 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 (2105555003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052777546 + 1052777547.

It is an arithmetic number, because the mean of its divisors is an integer number (1052777547).

Almost surely, 22105555093 is an apocalyptic number.

It is an amenable number.

2105555093 is a deficient number, since it is larger than the sum of its proper divisors (1).

2105555093 is an equidigital number, since it uses as much as digits as its factorization.

2105555093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 33750, while the sum is 35.

The square root of 2105555093 is about 45886.3279528881. The cubic root of 2105555093 is about 1281.7073352960.

The spelling of 2105555093 in words is "two billion, one hundred five million, five hundred fifty-five thousand, ninety-three".