Search a number
-
+
10867246081 = 74449145969
BaseRepresentation
bin10100001111011110…
…10000010000000001
31001001100122022002121
422013233100100001
5134224003333311
64554202444241
7533205032116
oct120757202001
931040568077
1010867246081
11467730590a
122133503681
131042586533
147513d490d
154390b9b71
hex287bd0401

10867246081 has 4 divisors (see below), whose sum is σ = 10867466500. Its totient is φ = 10867025664.

The previous prime is 10867246031. The next prime is 10867246127. The reversal of 10867246081 is 18064276801.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1782106225 + 9085139856 = 42215^2 + 95316^2 .

It is a cyclic number.

It is not a de Polignac number, because 10867246081 - 217 = 10867115009 is a prime.

It is a super-2 number, since 2×108672460812 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10867246031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1465 + ... + 147433.

It is an arithmetic number, because the mean of its divisors is an integer number (2716866625).

Almost surely, 210867246081 is an apocalyptic number.

It is an amenable number.

10867246081 is a deficient number, since it is larger than the sum of its proper divisors (220419).

10867246081 is an equidigital number, since it uses as much as digits as its factorization.

10867246081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220418.

The product of its (nonzero) digits is 129024, while the sum is 43.

The spelling of 10867246081 in words is "ten billion, eight hundred sixty-seven million, two hundred forty-six thousand, eighty-one".

Divisors: 1 74449 145969 10867246081