Search a number
-
+
2105403733 is a prime number
BaseRepresentation
bin111110101111101…
…1110100101010101
312102201200120222001
41331133132211111
513302440404413
6544530035301
7103113431206
oct17537364525
95381616861
102105403733
11990499a94
124a9118b31
13277260634
1415d8955ad
15c4c834dd
hex7d7de955

2105403733 has 2 divisors, whose sum is σ = 2105403734. Its totient is φ = 2105403732.

The previous prime is 2105403701. The next prime is 2105403763. The reversal of 2105403733 is 3373045012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1291899249 + 813504484 = 35943^2 + 28522^2 .

It is a cyclic number.

It is not a de Polignac number, because 2105403733 - 25 = 2105403701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2105403763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052701866 + 1052701867.

It is an arithmetic number, because the mean of its divisors is an integer number (1052701867).

Almost surely, 22105403733 is an apocalyptic number.

It is an amenable number.

2105403733 is a deficient number, since it is larger than the sum of its proper divisors (1).

2105403733 is an equidigital number, since it uses as much as digits as its factorization.

2105403733 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 28.

The square root of 2105403733 is about 45884.6786302356. The cubic root of 2105403733 is about 1281.6766222754.

Adding to 2105403733 its reverse (3373045012), we get a palindrome (5478448745).

The spelling of 2105403733 in words is "two billion, one hundred five million, four hundred three thousand, seven hundred thirty-three".