Base | Representation |
---|---|
bin | 101001111011000001001… |
… | …010110100101100110101 |
3 | 101012102000201010210111122 |
4 | 221323001022310230311 |
5 | 334200004421201214 |
6 | 10043241455113325 |
7 | 415064421566261 |
oct | 51730112645465 |
9 | 11172021123448 |
10 | 2880868928309 |
11 | a10851451329 |
12 | 3a63b9212845 |
13 | 17b8846804c8 |
14 | 9d61313d0a1 |
15 | 4ee10bcd88e |
hex | 29ec12b4b35 |
2880868928309 has 4 divisors (see below), whose sum is σ = 2880872992140. Its totient is φ = 2880864864480.
The previous prime is 2880868928297. The next prime is 2880868928359. The reversal of 2880868928309 is 9038298680882.
2880868928309 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.
It can be written as a sum of positive squares in 2 ways, for example, as 392608762225 + 2488260166084 = 626585^2 + 1577422^2 .
It is a cyclic number.
It is not a de Polignac number, because 2880868928309 - 220 = 2880867879733 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2880868928359) 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, 659624 + ... + 2489345.
It is an arithmetic number, because the mean of its divisors is an integer number (720218248035).
Almost surely, 22880868928309 is an apocalyptic number.
It is an amenable number.
2880868928309 is a deficient number, since it is larger than the sum of its proper divisors (4063831).
2880868928309 is an equidigital number, since it uses as much as digits as its factorization.
2880868928309 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4063830.
The product of its (nonzero) digits is 191102976, while the sum is 71.
The spelling of 2880868928309 in words is "two trillion, eight hundred eighty billion, eight hundred sixty-eight million, nine hundred twenty-eight thousand, three hundred nine".
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