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2105418001 is a prime number
BaseRepresentation
bin111110101111110…
…0010000100010001
312102201201022112111
41331133202010101
513302441334001
6544530225321
7103113520621
oct17537420421
95381638474
102105418001
119904a9785
124a9125241
13277266c8b
1415d89a881
15c4c87851
hex7d7e2111

2105418001 has 2 divisors, whose sum is σ = 2105418002. Its totient is φ = 2105418000.

The previous prime is 2105417971. The next prime is 2105418017. The reversal of 2105418001 is 1008145012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1715947776 + 389470225 = 41424^2 + 19735^2 .

It is a cyclic number.

It is not a de Polignac number, because 2105418001 - 229 = 1568547089 is a prime.

It is not a weakly prime, because it can be changed into another prime (2105418031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052709000 + 1052709001.

It is an arithmetic number, because the mean of its divisors is an integer number (1052709001).

Almost surely, 22105418001 is an apocalyptic number.

It is an amenable number.

2105418001 is a deficient number, since it is larger than the sum of its proper divisors (1).

2105418001 is an equidigital number, since it uses as much as digits as its factorization.

2105418001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 320, while the sum is 22.

The square root of 2105418001 is about 45884.8341067068. The cubic root of 2105418001 is about 1281.6795175112.

The spelling of 2105418001 in words is "two billion, one hundred five million, four hundred eighteen thousand, one".