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20310330103 = 719315033553
BaseRepresentation
bin10010111010100101…
…110000101011110111
31221102110110200010021
4102322211300223313
5313043421030403
613155212510011
71316210646250
oct227245605367
957373420107
1020310330103
118682719688
123b29a7b307
131bb8a8160b
14da95c7b27
157dd11a8bd
hex4ba970af7

20310330103 has 8 divisors (see below), whose sum is σ = 23332075808. Its totient is φ = 17318651904.

The previous prime is 20310330059. The next prime is 20310330149. The reversal of 20310330103 is 30103301302.

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 20310330103 - 217 = 20310199031 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 (20310330163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7515426 + ... + 7518127.

It is an arithmetic number, because the mean of its divisors is an integer number (2916509476).

Almost surely, 220310330103 is an apocalyptic number.

20310330103 is a deficient number, since it is larger than the sum of its proper divisors (3021745705).

20310330103 is a wasteful number, since it uses less digits than its factorization.

20310330103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15033753.

The product of its (nonzero) digits is 162, while the sum is 16.

Adding to 20310330103 its reverse (30103301302), we get a palindrome (50413631405).

The spelling of 20310330103 in words is "twenty billion, three hundred ten million, three hundred thirty thousand, one hundred three".

Divisors: 1 7 193 1351 15033553 105234871 2901475729 20310330103