Search a number
-
+
1458274103981 is a prime number
BaseRepresentation
bin10101001110000111111…
…010001111001010101101
312011102001121222222222022
4111032013322033022231
5142343021132311411
63033531042555525
7210233251235642
oct25160772171255
95142047888868
101458274103981
115124a5795102
121b6759068ba5
13a768c91b7c6
145081bb95dc9
1527dee0e5edb
hex15387e8f2ad

1458274103981 has 2 divisors, whose sum is σ = 1458274103982. Its totient is φ = 1458274103980.

The previous prime is 1458274103969. The next prime is 1458274104017. The reversal of 1458274103981 is 1893014728541.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1231944604900 + 226329499081 = 1109930^2 + 475741^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1458274103981 is a prime.

It is a super-3 number, since 3×14582741039813 (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1458274103281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 729137051990 + 729137051991.

It is an arithmetic number, because the mean of its divisors is an integer number (729137051991).

Almost surely, 21458274103981 is an apocalyptic number.

It is an amenable number.

1458274103981 is a deficient number, since it is larger than the sum of its proper divisors (1).

1458274103981 is an equidigital number, since it uses as much as digits as its factorization.

1458274103981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1935360, while the sum is 53.

The spelling of 1458274103981 in words is "one trillion, four hundred fifty-eight billion, two hundred seventy-four million, one hundred three thousand, nine hundred eighty-one".