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11305440492 = 223942120041
BaseRepresentation
bin10101000011101101…
…10101010011101100
31002011220011212211020
422201312311103230
5141123143043432
65105454454140
7550105441623
oct124166652354
932156155736
1011305440492
114881698855
122236204350
1310b22ab878
1479369c6ba
154627c522c
hex2a1db54ec

11305440492 has 12 divisors (see below), whose sum is σ = 26379361176. Its totient is φ = 3768480160.

The previous prime is 11305440479. The next prime is 11305440511. The reversal of 11305440492 is 29404450311.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 471060009 + ... + 471060032.

It is an arithmetic number, because the mean of its divisors is an integer number (2198280098).

Almost surely, 211305440492 is an apocalyptic number.

11305440492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11305440492 is an abundant number, since it is smaller than the sum of its proper divisors (15073920684).

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

11305440492 is a wasteful number, since it uses less digits than its factorization.

11305440492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942120048 (or 942120046 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The spelling of 11305440492 in words is "eleven billion, three hundred five million, four hundred forty thousand, four hundred ninety-two".

Divisors: 1 2 3 4 6 12 942120041 1884240082 2826360123 3768480164 5652720246 11305440492