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11796041980 = 225589802099
BaseRepresentation
bin10101111110001100…
…10101000011111100
31010110002100000112201
422333012111003330
5143124241320410
65230302041244
7565213462642
oct127706250374
933402300481
1011796041980
115003615a28
122352579224
13115cb22ac8
147dc8c9192
154908d383a
hex2bf1950fc

11796041980 has 12 divisors (see below), whose sum is σ = 24771688200. Its totient is φ = 4718416784.

The previous prime is 11796041977. The next prime is 11796041987. The reversal of 11796041980 is 8914069711.

It is a self number, because there is not a number n which added to its sum of digits gives 11796041980.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11796041987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 294901030 + ... + 294901069.

It is an arithmetic number, because the mean of its divisors is an integer number (2064307350).

Almost surely, 211796041980 is an apocalyptic number.

11796041980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11796041980 is an abundant number, since it is smaller than the sum of its proper divisors (12975646220).

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

11796041980 is a wasteful number, since it uses less digits than its factorization.

11796041980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589802108 (or 589802106 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 46.

The spelling of 11796041980 in words is "eleven billion, seven hundred ninety-six million, forty-one thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 589802099 1179604198 2359208396 2949010495 5898020990 11796041980