Search a number
-
+
1975806233 is a prime number
BaseRepresentation
bin111010111000100…
…0110100100011001
312002200211100121122
41311301012210121
513021301244413
6524020215025
766651035012
oct16561064431
95080740548
101975806233
11924322515
1247183a475
1325645611b
1414a59c009
15b86d4108
hex75c46919

1975806233 has 2 divisors, whose sum is σ = 1975806234. Its totient is φ = 1975806232.

The previous prime is 1975806227. The next prime is 1975806271. The reversal of 1975806233 is 3326085791.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1441872784 + 533933449 = 37972^2 + 23107^2 .

It is a cyclic number.

It is not a de Polignac number, because 1975806233 - 212 = 1975802137 is a prime.

It is not a weakly prime, because it can be changed into another prime (1975809233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 987903116 + 987903117.

It is an arithmetic number, because the mean of its divisors is an integer number (987903117).

Almost surely, 21975806233 is an apocalyptic number.

It is an amenable number.

1975806233 is a deficient number, since it is larger than the sum of its proper divisors (1).

1975806233 is an equidigital number, since it uses as much as digits as its factorization.

1975806233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 44.

The square root of 1975806233 is about 44450.0419909813. The cubic root of 1975806233 is about 1254.8200528227.

The spelling of 1975806233 in words is "one billion, nine hundred seventy-five million, eight hundred six thousand, two hundred thirty-three".