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16129793 = 123113103
BaseRepresentation
bin111101100001…
…111100000001
31010100110220202
4331201330001
513112123133
61333414545
7254046431
oct75417401
933313822
1016129793
119117609
12549a455
133459974
1421dc2c1
1516392e8
hexf61f01

16129793 has 4 divisors (see below), whose sum is σ = 16144128. Its totient is φ = 16115460.

The previous prime is 16129783. The next prime is 16129807. The reversal of 16129793 is 39792161.

It is a happy number.

16129793 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 39792161 = 193206177.

It is a cyclic number.

It is not a de Polignac number, because 16129793 - 24 = 16129777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16129723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5321 + ... + 7782.

It is an arithmetic number, because the mean of its divisors is an integer number (4036032).

Almost surely, 216129793 is an apocalyptic number.

It is an amenable number.

16129793 is a deficient number, since it is larger than the sum of its proper divisors (14335).

16129793 is a wasteful number, since it uses less digits than its factorization.

16129793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14334.

The product of its digits is 20412, while the sum is 38.

The square root of 16129793 is about 4016.1913550029. The cubic root of 16129793 is about 252.6637463509.

The spelling of 16129793 in words is "sixteen million, one hundred twenty-nine thousand, seven hundred ninety-three".

Divisors: 1 1231 13103 16129793