Search a number
-
+
10885087149689 is a prime number
BaseRepresentation
bin1001111001100110000111…
…0000001011111001111001
31102112121022102212001021102
42132121201300023321321
52411320124302242224
635052312350221145
72202264415110164
oct236314160137171
942477272761242
1010885087149689
113517380a16735
1212797297b47b5
1360c5c816003c
14298babad8adb
1513d22d1224ae
hex9e661c0be79

10885087149689 has 2 divisors, whose sum is σ = 10885087149690. Its totient is φ = 10885087149688.

The previous prime is 10885087149667. The next prime is 10885087149763. The reversal of 10885087149689 is 98694178058801.

It is an a-pointer prime, because the next prime (10885087149763) can be obtained adding 10885087149689 to its sum of digits (74).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8990954274064 + 1894132875625 = 2998492^2 + 1376275^2 .

It is a cyclic number.

It is not a de Polignac number, because 10885087149689 - 212 = 10885087145593 is a prime.

It is not a weakly prime, because it can be changed into another prime (10885087149659) 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, 5442543574844 + 5442543574845.

It is an arithmetic number, because the mean of its divisors is an integer number (5442543574845).

Almost surely, 210885087149689 is an apocalyptic number.

It is an amenable number.

10885087149689 is a deficient number, since it is larger than the sum of its proper divisors (1).

10885087149689 is an equidigital number, since it uses as much as digits as its factorization.

10885087149689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 278691840, while the sum is 74.

The spelling of 10885087149689 in words is "ten trillion, eight hundred eighty-five billion, eighty-seven million, one hundred forty-nine thousand, six hundred eighty-nine".