Base | Representation |
---|---|
bin | 111101110001100… |
… | …0101111011110111 |
3 | 12100110022222211021 |
4 | 1323203011323313 |
5 | 13221114000134 |
6 | 541403122011 |
7 | 102236324464 |
oct | 17343057367 |
9 | 5313288737 |
10 | 2072796919 |
11 | 974049006 |
12 | 49a213307 |
13 | 270584c6b |
14 | 15940866b |
15 | c1e920b4 |
hex | 7b8c5ef7 |
2072796919 has 4 divisors (see below), whose sum is σ = 2074972896. Its totient is φ = 2070620944.
The previous prime is 2072796911. The next prime is 2072797037. The reversal of 2072796919 is 9196972702.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 2072796919 - 23 = 2072796911 is a prime.
It is a super-2 number, since 2×20727969192 = 8592974134831785122, 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 (2072796911) 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, 1086559 + ... + 1088464.
It is an arithmetic number, because the mean of its divisors is an integer number (518743224).
Almost surely, 22072796919 is an apocalyptic number.
2072796919 is a deficient number, since it is larger than the sum of its proper divisors (2175977).
2072796919 is an equidigital number, since it uses as much as digits as its factorization.
2072796919 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2175976.
The product of its (nonzero) digits is 857304, while the sum is 52.
The square root of 2072796919 is about 45527.9795180941. The cubic root of 2072796919 is about 1275.0256396741.
The spelling of 2072796919 in words is "two billion, seventy-two million, seven hundred ninety-six thousand, nine hundred nineteen".
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