Search a number
-
+
11977874459 is a prime number
BaseRepresentation
bin10110010011110111…
…11101110000011011
31010220202111001210222
423021323331300123
5144012313440314
65300315230255
7602552152535
oct131173756033
933822431728
1011977874459
11509721a401
1223a344838b
13118b6b8aa5
14818adc855
154a184ec8e
hex2c9efdc1b

11977874459 has 2 divisors, whose sum is σ = 11977874460. Its totient is φ = 11977874458.

The previous prime is 11977874453. The next prime is 11977874477. The reversal of 11977874459 is 95447877911.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11977874459 - 212 = 11977870363 is a prime.

It is not a weakly prime, because it can be changed into another prime (11977874453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5988937229 + 5988937230.

It is an arithmetic number, because the mean of its divisors is an integer number (5988937230).

Almost surely, 211977874459 is an apocalyptic number.

11977874459 is a deficient number, since it is larger than the sum of its proper divisors (1).

11977874459 is an equidigital number, since it uses as much as digits as its factorization.

11977874459 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17781120, while the sum is 62.

The spelling of 11977874459 in words is "eleven billion, nine hundred seventy-seven million, eight hundred seventy-four thousand, four hundred fifty-nine".