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203122330013 = 263985178401
BaseRepresentation
bin1011110100101100001…
…0001100100110011101
3201102021221111111001202
42331023002030212131
511311443304030023
6233151344245245
720450363213651
oct2751302144635
9642257444052
10203122330013
1179164294a29
1233449310825
1316201165025
149b8ca4ca61
15543c62e128
hex2f4b08c99d

203122330013 has 8 divisors (see below), whose sum is σ = 203917957056. Its totient is φ = 202326880000.

The previous prime is 203122329997. The next prime is 203122330039. The reversal of 203122330013 is 310033221302.

203122330013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 203122330013 - 24 = 203122329997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203022330013) 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, 2551613 + ... + 2630013.

It is an arithmetic number, because the mean of its divisors is an integer number (25489744632).

Almost surely, 2203122330013 is an apocalyptic number.

It is an amenable number.

203122330013 is a deficient number, since it is larger than the sum of its proper divisors (795627043).

203122330013 is an equidigital number, since it uses as much as digits as its factorization.

203122330013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88515.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 203122330013 its reverse (310033221302), we get a palindrome (513155551315).

The spelling of 203122330013 in words is "two hundred three billion, one hundred twenty-two million, three hundred thirty thousand, thirteen".

Divisors: 1 263 9851 78401 2590813 20619463 772328251 203122330013