Base | Representation |
---|---|
bin | 111110001010000… |
… | …1000100100110101 |
3 | 12101100112010202121 |
4 | 1330110020210311 |
5 | 13232411342124 |
6 | 542542435541 |
7 | 102453520243 |
oct | 17424104465 |
9 | 5340463677 |
10 | 2085652789 |
11 | 9803298a0 |
12 | 4a2592bb1 |
13 | 27313669c |
14 | 15add3793 |
15 | c31812e4 |
hex | 7c508935 |
2085652789 has 8 divisors (see below), whose sum is σ = 2300823360. Its totient is φ = 1874743200.
The previous prime is 2085652787. The next prime is 2085652831. The reversal of 2085652789 is 9872565802.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2085652789 - 21 = 2085652787 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2085652783) 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, 1064217 + ... + 1066174.
It is an arithmetic number, because the mean of its divisors is an integer number (287602920).
Almost surely, 22085652789 is an apocalyptic number.
It is an amenable number.
2085652789 is a deficient number, since it is larger than the sum of its proper divisors (215170571).
2085652789 is a wasteful number, since it uses less digits than its factorization.
2085652789 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2130491.
The product of its (nonzero) digits is 2419200, while the sum is 52.
The square root of 2085652789 is about 45668.9477544644. The cubic root of 2085652789 is about 1277.6561903997.
The spelling of 2085652789 in words is "two billion, eighty-five million, six hundred fifty-two thousand, seven hundred eighty-nine".
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