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11788013 = 101127919
BaseRepresentation
bin101100111101…
…111011101101
3211011220010002
4230331323231
511004204023
61100354045
7202124246
oct54757355
924156102
1011788013
116721566
123b45925
132599673
1417cbccd
15107cb28
hexb3deed

11788013 has 8 divisors (see below), whose sum is σ = 12011520. Its totient is φ = 11566800.

The previous prime is 11788009. The next prime is 11788019. The reversal of 11788013 is 31088711.

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

It is a cyclic number.

It is not a de Polignac number, because 11788013 - 22 = 11788009 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11788019) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 12368 + ... + 13286.

It is an arithmetic number, because the mean of its divisors is an integer number (1501440).

Almost surely, 211788013 is an apocalyptic number.

It is an amenable number.

11788013 is a deficient number, since it is larger than the sum of its proper divisors (223507).

11788013 is a wasteful number, since it uses less digits than its factorization.

11788013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1147.

The product of its (nonzero) digits is 1344, while the sum is 29.

The square root of 11788013 is about 3433.3675888259. The cubic root of 11788013 is about 227.5866948094.

The spelling of 11788013 in words is "eleven million, seven hundred eighty-eight thousand, thirteen".

Divisors: 1 101 127 919 12827 92819 116713 11788013