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11788378055 = 52981299159
BaseRepresentation
bin10101111101010010…
…00101111111000111
31010102112220122121122
422332221011333013
5143120311044210
65225425504155
7565061363066
oct127651057707
933375818548
1011788378055
114aaa260a03
12234baa205b
13115b36b63c
147db8921dd
1548edbcb55
hex2bea45fc7

11788378055 has 8 divisors (see below), whose sum is σ = 14633848800. Its totient is φ = 9105505696.

The previous prime is 11788378027. The next prime is 11788378057. The reversal of 11788378055 is 55087388711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11788378055 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11788377988 and 11788378006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11788378057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40649435 + ... + 40649724.

It is an arithmetic number, because the mean of its divisors is an integer number (1829231100).

Almost surely, 211788378055 is an apocalyptic number.

11788378055 is a deficient number, since it is larger than the sum of its proper divisors (2845470745).

11788378055 is an equidigital number, since it uses as much as digits as its factorization.

11788378055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81299193.

The product of its (nonzero) digits is 1881600, while the sum is 53.

The spelling of 11788378055 in words is "eleven billion, seven hundred eighty-eight million, three hundred seventy-eight thousand, fifty-five".

Divisors: 1 5 29 145 81299159 406495795 2357675611 11788378055