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2103130901 is a prime number
BaseRepresentation
bin111110101011011…
…0011101100010101
312102120102010020002
41331112303230111
513301400142101
6544405221045
7103055213654
oct17526635425
95376363202
102103130901
1198a187413
124a8401785
13276945c71
1415d46319b
15c4984d6b
hex7d5b3b15

2103130901 has 2 divisors, whose sum is σ = 2103130902. Its totient is φ = 2103130900.

The previous prime is 2103130891. The next prime is 2103130927. The reversal of 2103130901 is 1090313012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1374184900 + 728946001 = 37070^2 + 26999^2 .

It is a cyclic number.

It is not a de Polignac number, because 2103130901 - 210 = 2103129877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2103180901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051565450 + 1051565451.

It is an arithmetic number, because the mean of its divisors is an integer number (1051565451).

Almost surely, 22103130901 is an apocalyptic number.

It is an amenable number.

2103130901 is a deficient number, since it is larger than the sum of its proper divisors (1).

2103130901 is an equidigital number, since it uses as much as digits as its factorization.

2103130901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 2103130901 is about 45859.9051569015. The cubic root of 2103130901 is about 1281.2152563698.

Adding to 2103130901 its reverse (1090313012), we get a palindrome (3193443913).

The spelling of 2103130901 in words is "two billion, one hundred three million, one hundred thirty thousand, nine hundred one".