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2000115021 = 3679950821
BaseRepresentation
bin111011100110111…
…0101010101001101
312011101120101000010
41313031311111031
513044012140041
6530245223433
7100364461062
oct16715652515
95141511003
102000115021
11937016023
12479a01b79
1325b4b7818
1414d8c8c69
15ba8d6a16
hex7737554d

2000115021 has 8 divisors (see below), whose sum is σ = 2706623584. Its totient is φ = 1313508240.

The previous prime is 2000115001. The next prime is 2000115041. The reversal of 2000115021 is 1205110002.

It is an interprime number because it is at equal distance from previous prime (2000115001) and next prime (2000115041).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2000115021 - 29 = 2000114509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2000114988 and 2000115006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000115001) 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 7 ways as a sum of consecutive naturals, for example, 4975210 + ... + 4975611.

It is an arithmetic number, because the mean of its divisors is an integer number (338327948).

Almost surely, 22000115021 is an apocalyptic number.

It is an amenable number.

2000115021 is a deficient number, since it is larger than the sum of its proper divisors (706508563).

2000115021 is an equidigital number, since it uses as much as digits as its factorization.

2000115021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9950891.

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 2000115021 is about 44722.6455053813. The cubic root of 2000115021 is about 1259.9452023284.

Adding to 2000115021 its reverse (1205110002), we get a palindrome (3205225023).

The spelling of 2000115021 in words is "two billion, one hundred fifteen thousand, twenty-one".

Divisors: 1 3 67 201 9950821 29852463 666705007 2000115021