Base | Representation |
---|---|
bin | 1010001010011111… |
… | …0111000100000111 |
3 | 21001010212221202220 |
4 | 2202213313010013 |
5 | 21041424430101 |
6 | 1130422103423 |
7 | 124416442641 |
oct | 24247670407 |
9 | 7033787686 |
10 | 2728358151 |
11 | 11800a5952 |
12 | 64187ab73 |
13 | 34633530c |
14 | 1bc4d5891 |
15 | 10e7d7636 |
hex | a29f7107 |
2728358151 has 8 divisors (see below), whose sum is σ = 3664364784. Its totient is φ = 1805628480.
The previous prime is 2728358119. The next prime is 2728358153. The reversal of 2728358151 is 1518538272.
2728358151 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2728358151 - 25 = 2728358119 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2728358153) 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, 3318760 + ... + 3319581.
It is an arithmetic number, because the mean of its divisors is an integer number (458045598).
Almost surely, 22728358151 is an apocalyptic number.
2728358151 is a deficient number, since it is larger than the sum of its proper divisors (936006633).
2728358151 is a wasteful number, since it uses less digits than its factorization.
2728358151 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6638481.
The product of its digits is 134400, while the sum is 42.
The square root of 2728358151 is about 52233.6878939253. The cubic root of 2728358151 is about 1397.3347508520.
The spelling of 2728358151 in words is "two billion, seven hundred twenty-eight million, three hundred fifty-eight thousand, one hundred fifty-one".
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