Search a number
-
+
1208885510419 is a prime number
BaseRepresentation
bin10001100101110111001…
…100010000000100010011
311021120100022100210210221
4101211313030100010103
5124301244142313134
62323204311533511
7153224211203146
oct21456714200423
94246308323727
101208885510419
1142675a39a634
1217635938a297
1389cc7420292
144272065a05d
15216a4cee5b4
hex11977310113

1208885510419 has 2 divisors, whose sum is σ = 1208885510420. Its totient is φ = 1208885510418.

The previous prime is 1208885510383. The next prime is 1208885510471. The reversal of 1208885510419 is 9140155888021.

It is an a-pointer prime, because the next prime (1208885510471) can be obtained adding 1208885510419 to its sum of digits (52).

It is a weak prime.

It is an emirp because it is prime and its reverse (9140155888021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1208885510419 - 223 = 1208877121811 is a prime.

It is a super-2 number, since 2×12088855104192 (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1208885520419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 604442755209 + 604442755210.

It is an arithmetic number, because the mean of its divisors is an integer number (604442755210).

Almost surely, 21208885510419 is an apocalyptic number.

1208885510419 is a deficient number, since it is larger than the sum of its proper divisors (1).

1208885510419 is an equidigital number, since it uses as much as digits as its factorization.

1208885510419 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 921600, while the sum is 52.

The spelling of 1208885510419 in words is "one trillion, two hundred eight billion, eight hundred eighty-five million, five hundred ten thousand, four hundred nineteen".