Base | Representation |
---|---|
bin | 111101111011010… |
… | …1110010100001001 |
3 | 12100211000102222200 |
4 | 1323312232110021 |
5 | 13223423134144 |
6 | 542105310413 |
7 | 102331140000 |
oct | 17366562411 |
9 | 5324012880 |
10 | 2077943049 |
11 | 976a43406 |
12 | 49ba95409 |
13 | 271667400 |
14 | 159d87c37 |
15 | c265bc69 |
hex | 7bdae509 |
2077943049 has 90 divisors (see below), whose sum is σ = 3798240030. Its totient is φ = 1094131584.
The previous prime is 2077943039. The next prime is 2077943081. The reversal of 2077943049 is 9403497702.
2077943049 is a `hidden beast` number, since 207 + 7 + 9 + 430 + 4 + 9 = 666.
It can be written as a sum of positive squares in 3 ways, for example, as 67765824 + 2010177225 = 8232^2 + 44835^2 .
It is not a de Polignac number, because 2077943049 - 227 = 1943725321 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 2077942995 and 2077943013.
It is not an unprimeable number, because it can be changed into a prime (2077943039) by changing a digit.
It is a polite number, since it can be written in 89 ways as a sum of consecutive naturals, for example, 3651637 + ... + 3652205.
It is an arithmetic number, because the mean of its divisors is an integer number (42202667).
Almost surely, 22077943049 is an apocalyptic number.
It is an amenable number.
2077943049 is a deficient number, since it is larger than the sum of its proper divisors (1720296981).
2077943049 is an equidigital number, since it uses as much as digits as its factorization.
2077943049 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 629 (or 592 counting only the distinct ones).
The product of its (nonzero) digits is 381024, while the sum is 45.
The square root of 2077943049 is about 45584.4606088522. The cubic root of 2077943049 is about 1276.0799357767.
The spelling of 2077943049 in words is "two billion, seventy-seven million, nine hundred forty-three thousand, forty-nine".
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