Search a number
-
+
30321302103 = 36714791223
BaseRepresentation
bin11100001111010010…
…100101101001010111
32220021010212202000000
4130033102211221113
5444044223131403
621532430422343
72122250546451
oct341722455127
986233782000
1030321302103
111194a648064
125a626619b3
132b22b10ba1
141678da52d1
15bc6e447a3
hex70f4a5a57

30321302103 has 56 divisors (see below), whose sum is σ = 46235473920. Its totient is φ = 19871626320.

The previous prime is 30321302093. The next prime is 30321302107. The reversal of 30321302103 is 30120312303.

30321302103 is a `hidden beast` number, since 30 + 321 + 302 + 10 + 3 = 666.

It is not a de Polignac number, because 30321302103 - 210 = 30321301079 is a prime.

It is a super-2 number, since 2×303213021032 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30321302107) 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 55 ways as a sum of consecutive naturals, for example, 24791950 + ... + 24793172.

Almost surely, 230321302103 is an apocalyptic number.

30321302103 is a deficient number, since it is larger than the sum of its proper divisors (15914171817).

30321302103 is an equidigital number, since it uses as much as digits as its factorization.

30321302103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1791 (or 1776 counting only the distinct ones).

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

Adding to 30321302103 its reverse (30120312303), we get a palindrome (60441614406).

The spelling of 30321302103 in words is "thirty billion, three hundred twenty-one million, three hundred two thousand, one hundred three".

Divisors: 1 3 9 27 71 81 213 243 479 639 729 1223 1437 1917 3669 4311 5751 11007 12933 17253 33021 34009 38799 51759 86833 99063 102027 116397 260499 297189 306081 349191 585817 781497 891567 918243 1757451 2344491 2754729 5272353 7033473 8264187 15817059 21100419 24792561 41593007 47451177 63301257 124779021 142353531 374337063 427060593 1123011189 3369033567 10107100701 30321302103