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2000768819 = 7285824117
BaseRepresentation
bin111011101000001…
…0100111100110011
312011102210120211212
41313100110330303
513044144100234
6530311230335
7100403153150
oct16720247463
95142716755
102000768819
11937422255
1247a0783ab
1325b68629a
1414da19227
15ba9b55ce
hex77414f33

2000768819 has 4 divisors (see below), whose sum is σ = 2286592944. Its totient is φ = 1714944696.

The previous prime is 2000768813. The next prime is 2000768843. The reversal of 2000768819 is 9188670002.

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 2000768819 - 28 = 2000768563 is a prime.

It is a super-2 number, since 2×20007688192 = 8006151734165309522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2000768813) 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 3 ways as a sum of consecutive naturals, for example, 142912052 + ... + 142912065.

It is an arithmetic number, because the mean of its divisors is an integer number (571648236).

Almost surely, 22000768819 is an apocalyptic number.

2000768819 is a deficient number, since it is larger than the sum of its proper divisors (285824125).

2000768819 is an equidigital number, since it uses as much as digits as its factorization.

2000768819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285824124.

The product of its (nonzero) digits is 48384, while the sum is 41.

The square root of 2000768819 is about 44729.9543818234. The cubic root of 2000768819 is about 1260.0824710863.

The spelling of 2000768819 in words is "two billion, seven hundred sixty-eight thousand, eight hundred nineteen".

Divisors: 1 7 285824117 2000768819