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16103139 = 313412901
BaseRepresentation
bin111101011011…
…011011100011
31010022010100120
4331123123203
513110300024
61333051323
7253605633
oct75333343
933263316
1016103139
1190a9588
125486b43
13344a7b0
1421d26c3
151631479
hexf5b6e3

16103139 has 8 divisors (see below), whose sum is σ = 23122512. Its totient is φ = 9909600.

The previous prime is 16103111. The next prime is 16103159. The reversal of 16103139 is 93130161.

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

It is not a de Polignac number, because 16103139 - 25 = 16103107 is a prime.

It is a super-2 number, since 2×161031392 = 518622171306642, which contains 22 as substring.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (16103159) 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, 206412 + ... + 206489.

It is an arithmetic number, because the mean of its divisors is an integer number (2890314).

Almost surely, 216103139 is an apocalyptic number.

16103139 is a deficient number, since it is larger than the sum of its proper divisors (7019373).

16103139 is a wasteful number, since it uses less digits than its factorization.

16103139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412917.

The product of its (nonzero) digits is 486, while the sum is 24.

The square root of 16103139 is about 4012.8716650299. The cubic root of 16103139 is about 252.5244965287.

The spelling of 16103139 in words is "sixteen million, one hundred three thousand, one hundred thirty-nine".

Divisors: 1 3 13 39 412901 1238703 5367713 16103139