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16901381113 = 171576332477
BaseRepresentation
bin11111011110110011…
…01001101111111001
31121121212221010020021
433233121221233321
5234103223143423
611433035130441
71135555240411
oct175731515771
947555833207
1016901381113
117193430871
1233382a3a21
131794744436
14b6496b641
1568dbe695d
hex3ef669bf9

16901381113 has 8 divisors (see below), whose sum is σ = 18009567432. Its totient is φ = 15805860096.

The previous prime is 16901381089. The next prime is 16901381117. The reversal of 16901381113 is 31118310961.

It can be written as a sum of positive squares in 4 ways, for example, as 7606107369 + 9295273744 = 87213^2 + 96412^2 .

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 16901381113 - 213 = 16901372921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16901381117) 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, 3163570 + ... + 3168907.

It is an arithmetic number, because the mean of its divisors is an integer number (2251195929).

Almost surely, 216901381113 is an apocalyptic number.

It is an amenable number.

16901381113 is a deficient number, since it is larger than the sum of its proper divisors (1108186319).

16901381113 is a wasteful number, since it uses less digits than its factorization.

16901381113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6332651.

The product of its (nonzero) digits is 3888, while the sum is 34.

The spelling of 16901381113 in words is "sixteen billion, nine hundred one million, three hundred eighty-one thousand, one hundred thirteen".

Divisors: 1 17 157 2669 6332477 107652109 994198889 16901381113