Base | Representation |
---|---|
bin | 1010101110010100… |
… | …0100110101010001 |
3 | 21102121122012110210 |
4 | 2223211010311101 |
5 | 21343411414212 |
6 | 1153350514333 |
7 | 131222615022 |
oct | 25345046521 |
9 | 7377565423 |
10 | 2878623057 |
11 | 12479a9122 |
12 | 6840659a9 |
13 | 36b4c796b |
14 | 1d444cc49 |
15 | 11caba53c |
hex | ab944d51 |
2878623057 has 8 divisors (see below), whose sum is σ = 3852021376. Its totient is φ = 1912153392.
The previous prime is 2878623043. The next prime is 2878623061. The reversal of 2878623057 is 7503268782.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2878623057 - 214 = 2878606673 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2878622997 and 2878623015.
It is not an unprimeable number, because it can be changed into a prime (2878623037) 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, 1731193 + ... + 1732854.
It is an arithmetic number, because the mean of its divisors is an integer number (481502672).
Almost surely, 22878623057 is an apocalyptic number.
It is an amenable number.
2878623057 is a deficient number, since it is larger than the sum of its proper divisors (973398319).
2878623057 is a wasteful number, since it uses less digits than its factorization.
2878623057 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3464327.
The product of its (nonzero) digits is 1128960, while the sum is 48.
The square root of 2878623057 is about 53652.8010172815. The cubic root of 2878623057 is about 1422.5305430889.
The spelling of 2878623057 in words is "two billion, eight hundred seventy-eight million, six hundred twenty-three thousand, fifty-seven".
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