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11050105840 = 245138126323
BaseRepresentation
bin10100100101010001…
…10011101111110000
31001112002201112112021
422102220303233300
5140112311341330
65024254041224
7540555231004
oct122250635760
931462645467
1011050105840
114760551084
1221847a9214
13107141bc87
1476b7d4704
1544a18a67a
hex292a33bf0

11050105840 has 20 divisors (see below), whose sum is σ = 25691496264. Its totient is φ = 4420042304.

The previous prime is 11050105817. The next prime is 11050105853. The reversal of 11050105840 is 4850105011.

It is a happy number.

11050105840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

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, 69063082 + ... + 69063241.

Almost surely, 211050105840 is an apocalyptic number.

11050105840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11050105840 is an abundant number, since it is smaller than the sum of its proper divisors (14641390424).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11050105840 is a wasteful number, since it uses less digits than its factorization.

11050105840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138126336 (or 138126330 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 25.

The spelling of 11050105840 in words is "eleven billion, fifty million, one hundred five thousand, eight hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 138126323 276252646 552505292 690631615 1105010584 1381263230 2210021168 2762526460 5525052920 11050105840