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11001011012 = 2221371286969
BaseRepresentation
bin10100011111011011…
…00001101101000100
31001101200100021002022
422033231201231010
5140012224323022
65015341502312
7536421023255
oct121755415504
931350307068
1011001011012
114735869442
122170271998
1310641bc894
14765094b2c
15445bddc42
hex28fb61b44

11001011012 has 12 divisors (see below), whose sum is σ = 19260793020. Its totient is φ = 5497927296.

The previous prime is 11001010991. The next prime is 11001011027. The reversal of 11001011012 is 21011010011.

It is a happy number.

11001011012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2302464256 + 8698546756 = 47984^2 + 93266^2 .

It is a super-2 number, since 2×110010110122 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

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, 634937 + ... + 652032.

It is an arithmetic number, because the mean of its divisors is an integer number (1605066085).

Almost surely, 211001011012 is an apocalyptic number.

It is an amenable number.

11001011012 is a deficient number, since it is larger than the sum of its proper divisors (8259782008).

11001011012 is a wasteful number, since it uses less digits than its factorization.

11001011012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1289110 (or 1289108 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 11001011012 its reverse (21011010011), we get a palindrome (32012021023).

The spelling of 11001011012 in words is "eleven billion, one million, eleven thousand, twelve".

Divisors: 1 2 4 2137 4274 8548 1286969 2573938 5147876 2750252753 5500505506 11001011012