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2000043013 = 17117649589
BaseRepresentation
bin111011100110110…
…0011110000000101
312011101102201020011
41313031203300011
513044002334023
6530243510221
7100364041123
oct16715436005
95141381204
102000043013
11936a76a11
12479988371
1325b490b07
1414d8aa913
15ba8c050d
hex77363c05

2000043013 has 4 divisors (see below), whose sum is σ = 2117692620. Its totient is φ = 1882393408.

The previous prime is 2000043007. The next prime is 2000043041. The reversal of 2000043013 is 3103400002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3103400002 = 21551700001.

It can be written as a sum of positive squares in 2 ways, for example, as 1508001889 + 492041124 = 38833^2 + 22182^2 .

It is not a de Polignac number, because 2000043013 - 213 = 2000034821 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2000042984 and 2000043002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000043043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58824778 + ... + 58824811.

It is an arithmetic number, because the mean of its divisors is an integer number (529423155).

Almost surely, 22000043013 is an apocalyptic number.

It is an amenable number.

2000043013 is a deficient number, since it is larger than the sum of its proper divisors (117649607).

2000043013 is a wasteful number, since it uses less digits than its factorization.

2000043013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117649606.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 2000043013 is about 44721.8404473698. The cubic root of 2000043013 is about 1259.9300819941.

Adding to 2000043013 its reverse (3103400002), we get a palindrome (5103443015).

The spelling of 2000043013 in words is "two billion, forty-three thousand, thirteen".

Divisors: 1 17 117649589 2000043013