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2000230013 = 17117660589
BaseRepresentation
bin111011100111001…
…0001011001111101
312011101210012202002
41313032101121331
513044024330023
6530251512045
7100365450245
oct16716213175
95141705662
102000230013
11937094461
12479a58625
1325b527c72
1414d918b25
15ba90ab28
hex7739167d

2000230013 has 4 divisors (see below), whose sum is σ = 2117890620. Its totient is φ = 1882569408.

The previous prime is 2000230007. The next prime is 2000230033. The reversal of 2000230013 is 3100320002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1005016804 + 995213209 = 31702^2 + 31547^2 .

It is a cyclic number.

It is not a de Polignac number, because 2000230013 - 214 = 2000213629 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2000229976 and 2000230003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000230033) 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, 58830278 + ... + 58830311.

It is an arithmetic number, because the mean of its divisors is an integer number (529472655).

Almost surely, 22000230013 is an apocalyptic number.

It is an amenable number.

2000230013 is a deficient number, since it is larger than the sum of its proper divisors (117660607).

2000230013 is a wasteful number, since it uses less digits than its factorization.

2000230013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117660606.

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 2000230013 is about 44723.9310995802. The cubic root of 2000230013 is about 1259.9693477468.

Adding to 2000230013 its reverse (3100320002), we get a palindrome (5100550015).

The spelling of 2000230013 in words is "two billion, two hundred thirty thousand, thirteen".

Divisors: 1 17 117660589 2000230013