Search a number
-
+
1232021983 is a prime number
BaseRepresentation
bin100100101101111…
…0010100111011111
310011212021012102211
41021123302213133
510010344200413
6322130301251
742350004553
oct11133624737
93155235384
101232021983
11582498395
122a4727827
131683268ba
14b98a7863
157326383d
hex496f29df

1232021983 has 2 divisors, whose sum is σ = 1232021984. Its totient is φ = 1232021982.

The previous prime is 1232021969. The next prime is 1232022013. The reversal of 1232021983 is 3891202321.

It is a weak prime.

It is an emirp because it is prime and its reverse (3891202321) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1232021983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1232021083) 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, 616010991 + 616010992.

It is an arithmetic number, because the mean of its divisors is an integer number (616010992).

Almost surely, 21232021983 is an apocalyptic number.

1232021983 is a deficient number, since it is larger than the sum of its proper divisors (1).

1232021983 is an equidigital number, since it uses as much as digits as its factorization.

1232021983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 1232021983 is about 35100.1706975906. The cubic root of 1232021983 is about 1072.0280583058.

The spelling of 1232021983 in words is "one billion, two hundred thirty-two million, twenty-one thousand, nine hundred eighty-three".