Search a number
-
+
30131022030 = 2353413294277
BaseRepresentation
bin11100000011111100…
…101110100011001110
32212202212211111210220
4130003330232203032
5443202020201110
621501512212210
72114450314164
oct340374564316
985685744726
1030131022030
11118621a38aa
125a0a99a066
132ac257ab25
14165b9d3234
15bb53aa370
hex703f2e8ce

30131022030 has 32 divisors (see below), whose sum is σ = 72335886624. Its totient is φ = 8032557696.

The previous prime is 30131021989. The next prime is 30131022083. The reversal of 30131022030 is 3022013103.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 44749 + ... + 249528.

It is an arithmetic number, because the mean of its divisors is an integer number (2260496457).

Almost surely, 230131022030 is an apocalyptic number.

30131022030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30131022030 is an abundant number, since it is smaller than the sum of its proper divisors (42204864594).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30131022030 is a wasteful number, since it uses less digits than its factorization.

30131022030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297700.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 30131022030 its reverse (3022013103), we get a palindrome (33153035133).

The spelling of 30131022030 in words is "thirty billion, one hundred thirty-one million, twenty-two thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 3413 6826 10239 17065 20478 34130 51195 102390 294277 588554 882831 1471385 1765662 2942770 4414155 8828310 1004367401 2008734802 3013102203 5021837005 6026204406 10043674010 15065511015 30131022030