Base | Representation |
---|---|
bin | 111101111100001… |
… | …0101010011000101 |
3 | 12100211210212121122 |
4 | 1323320111103011 |
5 | 13224030133434 |
6 | 542122323325 |
7 | 102334544540 |
oct | 17370252305 |
9 | 5324725548 |
10 | 2078364869 |
11 | 977201319 |
12 | 4a0059545 |
13 | 2717843c9 |
14 | 15a057857 |
15 | c26e1c2e |
hex | 7be154c5 |
2078364869 has 8 divisors (see below), whose sum is σ = 2514996288. Its totient is φ = 1676664000.
The previous prime is 2078364859. The next prime is 2078364889. The reversal of 2078364869 is 9684638702.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2078364869 is a prime.
It is a super-2 number, since 2×20783648692 = 8639201057386774322, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 2078364869.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2078364809) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8732507 + ... + 8732744.
It is an arithmetic number, because the mean of its divisors is an integer number (314374536).
Almost surely, 22078364869 is an apocalyptic number.
It is an amenable number.
2078364869 is a deficient number, since it is larger than the sum of its proper divisors (436631419).
2078364869 is a wasteful number, since it uses less digits than its factorization.
2078364869 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17465275.
The product of its (nonzero) digits is 3483648, while the sum is 53.
The square root of 2078364869 is about 45589.0871700674. The cubic root of 2078364869 is about 1276.1662775110.
The spelling of 2078364869 in words is "two billion, seventy-eight million, three hundred sixty-four thousand, eight hundred sixty-nine".
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