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2000620812 = 223166718401
BaseRepresentation
bin111011100111111…
…0000110100001100
312011102112001211010
41313033300310030
513044124331222
6530304125220
7100401665511
oct16717606414
95142461733
102000620812
11937331033
1247a006810
1325b633ac8
1414d9bb308
15ba98680c
hex773f0d0c

2000620812 has 12 divisors (see below), whose sum is σ = 4668115256. Its totient is φ = 666873600.

The previous prime is 2000620781. The next prime is 2000620819. The reversal of 2000620812 is 2180260002.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (2000620819) 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, 83359189 + ... + 83359212.

Almost surely, 22000620812 is an apocalyptic number.

It is an amenable number.

2000620812 is an abundant number, since it is smaller than the sum of its proper divisors (2667494444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2000620812 is a wasteful number, since it uses less digits than its factorization.

2000620812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166718408 (or 166718406 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 2000620812 is about 44728.2999006222. The cubic root of 2000620812 is about 1260.0513987599.

Adding to 2000620812 its reverse (2180260002), we get a palindrome (4180880814).

The spelling of 2000620812 in words is "two billion, six hundred twenty thousand, eight hundred twelve".

Divisors: 1 2 3 4 6 12 166718401 333436802 500155203 666873604 1000310406 2000620812