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11391104592 = 2432717838009
BaseRepresentation
bin10101001101111011…
…00111011001010000
31002101212101001212200
422212331213121100
5141312110321332
65122154523200
7552165535320
oct124675473120
932355331780
1011391104592
114915a8852a
12225aa36500
1310c6c7309a
147a0bdb280
1546a09717c
hex2a6f67650

11391104592 has 240 divisors, whose sum is σ = 39046250880. Its totient is φ = 3025870848.

The previous prime is 11391104521. The next prime is 11391104611. The reversal of 11391104592 is 29540119311.

11391104592 is a `hidden beast` number, since 113 + 91 + 1 + 0 + 459 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1418284 + ... + 1426292.

It is an arithmetic number, because the mean of its divisors is an integer number (162692712).

Almost surely, 211391104592 is an apocalyptic number.

11391104592 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11391104592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19523125440).

11391104592 is an abundant number, since it is smaller than the sum of its proper divisors (27655146288).

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

11391104592 is a wasteful number, since it uses less digits than its factorization.

11391104592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8130 (or 8121 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 36.

The spelling of 11391104592 in words is "eleven billion, three hundred ninety-one million, one hundred four thousand, five hundred ninety-two".