Base | Representation |
---|---|
bin | 111101000010… |
… | …010000110011 |
3 | 1010002212221111 |
4 | 331002100303 |
5 | 13044000201 |
6 | 1330534151 |
7 | 252666244 |
oct | 75022063 |
9 | 33085844 |
10 | 16000051 |
11 | 9039091 |
12 | 5437357 |
13 | 34128b2 |
14 | 21a6ccb |
15 | 1610b51 |
hex | f42433 |
16000051 has 4 divisors (see below), whose sum is σ = 16015104. Its totient is φ = 15985000.
The previous prime is 15999989. The next prime is 16000057. The reversal of 16000051 is 15000061.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15000061 = 281 ⋅53381.
It is a cyclic number.
It is not a de Polignac number, because 16000051 - 27 = 15999923 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 15999995 and 16000040.
It is not an unprimeable number, because it can be changed into a prime (16000057) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5800 + ... + 8101.
It is an arithmetic number, because the mean of its divisors is an integer number (4003776).
Almost surely, 216000051 is an apocalyptic number.
16000051 is a deficient number, since it is larger than the sum of its proper divisors (15053).
16000051 is a wasteful number, since it uses less digits than its factorization.
16000051 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15052.
The product of its (nonzero) digits is 30, while the sum is 13.
The square root of 16000051 is about 4000.0063749949. The cubic root of 16000051 is about 251.9844777119.
The spelling of 16000051 in words is "sixteen million, fifty-one", and thus it is an aban number and an uban number.
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