Base | Representation |
---|---|
bin | 111101101010110… |
… | …0110011011010001 |
3 | 12100012200022001201 |
4 | 1323111212123101 |
5 | 13214212304420 |
6 | 541155231201 |
7 | 102164263642 |
oct | 17325463321 |
9 | 5305608051 |
10 | 2069259985 |
11 | 972052721 |
12 | 498ba8501 |
13 | 26c9170c0 |
14 | 158b676c9 |
15 | c19e410a |
hex | 7b5666d1 |
2069259985 has 16 divisors (see below), whose sum is σ = 2676300480. Its totient is φ = 1526823360.
The previous prime is 2069259979. The next prime is 2069259989. The reversal of 2069259985 is 5899529602.
It is not a de Polignac number, because 2069259985 - 25 = 2069259953 is a prime.
It is not an unprimeable number, because it can be changed into a prime (2069259989) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71586 + ... + 96244.
It is an arithmetic number, because the mean of its divisors is an integer number (167268780).
Almost surely, 22069259985 is an apocalyptic number.
It is an amenable number.
2069259985 is a deficient number, since it is larger than the sum of its proper divisors (607040495).
2069259985 is a wasteful number, since it uses less digits than its factorization.
2069259985 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25968.
The product of its (nonzero) digits is 3499200, while the sum is 55.
The square root of 2069259985 is about 45489.1194133278. The cubic root of 2069259985 is about 1274.3000099749.
The spelling of 2069259985 in words is "two billion, sixty-nine million, two hundred fifty-nine thousand, nine hundred eighty-five".
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