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30103212303 = 331129987541
BaseRepresentation
bin11100000010010010…
…101001000100001111
32212200221111122001000
4130002102221010033
5443122410243203
621455040151343
72113662040233
oct340222510417
985627448030
1030103212303
1111848529a5a
125a01608553
132ab9891a78
1416580345c3
15bb2c154a3
hex7024a910f

30103212303 has 16 divisors (see below), whose sum is σ = 44636898400. Its totient is φ = 20051012160.

The previous prime is 30103212289. The next prime is 30103212319. The reversal of 30103212303 is 30321230103.

30103212303 is a `hidden beast` number, since 30 + 10 + 321 + 2 + 303 = 666.

It is not a de Polignac number, because 30103212303 - 217 = 30103081231 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30103212323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 463288 + ... + 524253.

It is an arithmetic number, because the mean of its divisors is an integer number (2789806150).

Almost surely, 230103212303 is an apocalyptic number.

30103212303 is a deficient number, since it is larger than the sum of its proper divisors (14533686097).

30103212303 is a wasteful number, since it uses less digits than its factorization.

30103212303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 988679 (or 988673 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 30103212303 its reverse (30321230103), we get a palindrome (60424442406).

The spelling of 30103212303 in words is "thirty billion, one hundred three million, two hundred twelve thousand, three hundred three".

Divisors: 1 3 9 27 1129 3387 10161 30483 987541 2962623 8887869 26663607 1114933789 3344801367 10034404101 30103212303