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11011068381 = 33670356127
BaseRepresentation
bin10100100000100111…
…11001000111011101
31001102101021020012110
422100103321013131
5140022313142011
65020341224233
7536602352115
oct122023710735
931371236173
1011011068381
114740508715
122173702079
1310663015a1
14766552045
15446a28ba6
hex2904f91dd

11011068381 has 4 divisors (see below), whose sum is σ = 14681424512. Its totient is φ = 7340712252.

The previous prime is 11011068373. The next prime is 11011068401. The reversal of 11011068381 is 18386011011.

11011068381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 18386011011 = 36128670337.

It is not a de Polignac number, because 11011068381 - 23 = 11011068373 is a prime.

It is a super-3 number, since 3×110110683813 (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11011068331) 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 in 3 ways as a sum of consecutive naturals, for example, 1835178061 + ... + 1835178066.

It is an arithmetic number, because the mean of its divisors is an integer number (3670356128).

Almost surely, 211011068381 is an apocalyptic number.

It is an amenable number.

11011068381 is a deficient number, since it is larger than the sum of its proper divisors (3670356131).

11011068381 is an equidigital number, since it uses as much as digits as its factorization.

11011068381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3670356130.

The product of its (nonzero) digits is 1152, while the sum is 30.

Adding to 11011068381 its reverse (18386011011), we get a palindrome (29397079392).

The spelling of 11011068381 in words is "eleven billion, eleven million, sixty-eight thousand, three hundred eighty-one".

Divisors: 1 3 3670356127 11011068381