Base | Representation |
---|---|
bin | 111110000000100… |
… | …0100011000010101 |
3 | 12101000010012220110 |
4 | 1330001010120111 |
5 | 13230121423434 |
6 | 542243353233 |
7 | 102363163116 |
oct | 17401043025 |
9 | 5330105813 |
10 | 2080654869 |
11 | 978525887 |
12 | 4a0982819 |
13 | 2720a6837 |
14 | 15a49220d |
15 | c29e54e9 |
hex | 7c044615 |
2080654869 has 16 divisors (see below), whose sum is σ = 3014420480. Its totient is φ = 1271706480.
The previous prime is 2080654861. The next prime is 2080654879. The reversal of 2080654869 is 9684560802.
It is a happy number.
It is not a de Polignac number, because 2080654869 - 23 = 2080654861 is a prime.
It is a super-2 number, since 2×20806548692 = 8658249367786814322, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2080654861) 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, 586987 + ... + 590520.
It is an arithmetic number, because the mean of its divisors is an integer number (188401280).
Almost surely, 22080654869 is an apocalyptic number.
It is an amenable number.
2080654869 is a deficient number, since it is larger than the sum of its proper divisors (933765611).
2080654869 is a wasteful number, since it uses less digits than its factorization.
2080654869 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1177560.
The product of its (nonzero) digits is 829440, while the sum is 48.
The square root of 2080654869 is about 45614.1959153069. The cubic root of 2080654869 is about 1276.6348105937.
The spelling of 2080654869 in words is "two billion, eighty million, six hundred fifty-four thousand, eight hundred sixty-nine".
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