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20303140013 = 132635938327
BaseRepresentation
bin10010111010001010…
…010101010010101101
31221101221221101011122
4102322022111102231
5313040100440023
613154354430325
71316062562012
oct227212252255
957357841148
1020303140013
118679658662
123b275923a5
131bb7434a20
14da8675709
157dc69a2c8
hex4ba2954ad

20303140013 has 8 divisors (see below), whose sum is σ = 21948060288. Its totient is φ = 18670096944.

The previous prime is 20303140009. The next prime is 20303140019. The reversal of 20303140013 is 31004130302.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 20303140013 - 22 = 20303140009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20303139973 and 20303140000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20303140019) 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 7 ways as a sum of consecutive naturals, for example, 2965745 + ... + 2972582.

It is an arithmetic number, because the mean of its divisors is an integer number (2743507536).

Almost surely, 220303140013 is an apocalyptic number.

It is an amenable number.

20303140013 is a deficient number, since it is larger than the sum of its proper divisors (1644920275).

20303140013 is a wasteful number, since it uses less digits than its factorization.

20303140013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5938603.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 20303140013 its reverse (31004130302), we get a palindrome (51307270315).

The spelling of 20303140013 in words is "twenty billion, three hundred three million, one hundred forty thousand, thirteen".

Divisors: 1 13 263 3419 5938327 77198251 1561780001 20303140013