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2000862681 = 3666954227
BaseRepresentation
bin111011101000010…
…1011110111011001
312011102222100121020
41313100223313121
513044210101211
6530313233053
7100404023616
oct16720536731
95142870536
102000862681
11937486824
1247a102789
1325b6b9c1c
1414da4150d
15ba9d3306
hex7742bdd9

2000862681 has 4 divisors (see below), whose sum is σ = 2667816912. Its totient is φ = 1333908452.

The previous prime is 2000862673. The next prime is 2000862701. The reversal of 2000862681 is 1862680002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2000862681 - 23 = 2000862673 is a prime.

It is a super-2 number, since 2×20008626812 = 8006902936437015522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2000862601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 333477111 + ... + 333477116.

It is an arithmetic number, because the mean of its divisors is an integer number (666954228).

Almost surely, 22000862681 is an apocalyptic number.

It is an amenable number.

2000862681 is a deficient number, since it is larger than the sum of its proper divisors (666954231).

2000862681 is an equidigital number, since it uses as much as digits as its factorization.

2000862681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666954230.

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 2000862681 is about 44731.0035769376. The cubic root of 2000862681 is about 1260.1021755136.

The spelling of 2000862681 in words is "two billion, eight hundred sixty-two thousand, six hundred eighty-one".

Divisors: 1 3 666954227 2000862681