Search a number
-
+
2212078783 is a prime number
BaseRepresentation
bin1000001111011001…
…1010010010111111
312201011102020121211
42003312122102333
514012243010113
61003300305251
7105550234165
oct20366322277
95634366554
102212078783
11a3572a592
125189a2227
132933a0475
1416db03235
15ce305b3d
hex83d9a4bf

2212078783 has 2 divisors, whose sum is σ = 2212078784. Its totient is φ = 2212078782.

The previous prime is 2212078747. The next prime is 2212078787. The reversal of 2212078783 is 3878702122.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2212078783 is a prime.

It is a super-2 number, since 2×22120787832 = 9786585084397522178, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2212078787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1106039391 + 1106039392.

It is an arithmetic number, because the mean of its divisors is an integer number (1106039392).

Almost surely, 22212078783 is an apocalyptic number.

2212078783 is a deficient number, since it is larger than the sum of its proper divisors (1).

2212078783 is an equidigital number, since it uses as much as digits as its factorization.

2212078783 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 75264, while the sum is 40.

The square root of 2212078783 is about 47032.7416062470. The cubic root of 2212078783 is about 1302.9673406197.

The spelling of 2212078783 in words is "two billion, two hundred twelve million, seventy-eight thousand, seven hundred eighty-three".