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30000224471 = 722944347657
BaseRepresentation
bin11011111100001001…
…110001100011010111
32212102202201022021212
4123330021301203113
5442420024140341
621440520532035
72111301462200
oct337411614327
985382638255
1030000224471
11117a5387748
12599302101b
132aa1443319
1416484a65a7
15ba8b705eb
hex6fc2718d7

30000224471 has 24 divisors (see below), whose sum is σ = 36183859920. Its totient is φ = 24771207552.

The previous prime is 30000224459. The next prime is 30000224473. The reversal of 30000224471 is 17442200003.

It is not a de Polignac number, because 30000224471 - 26 = 30000224407 is a prime.

It is a super-3 number, since 3×300002244713 (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30000224473) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 605675 + ... + 653331.

It is an arithmetic number, because the mean of its divisors is an integer number (1507660830).

Almost surely, 230000224471 is an apocalyptic number.

30000224471 is a deficient number, since it is larger than the sum of its proper divisors (6183635449).

30000224471 is a wasteful number, since it uses less digits than its factorization.

30000224471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48143 (or 48136 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

Adding to 30000224471 its reverse (17442200003), we get a palindrome (47442424474).

The spelling of 30000224471 in words is "thirty billion, two hundred twenty-four thousand, four hundred seventy-one".

Divisors: 1 7 29 49 203 443 1421 3101 12847 21707 47657 89929 333599 629503 1382053 2335193 9674371 21112051 67720597 147784357 612249479 1034490499 4285746353 30000224471