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30003233020 = 225174714912601
BaseRepresentation
bin11011111100010101…
…010000000011111100
32212102222101011020121
4123330111100003330
5442421311424040
621441105224324
72111336162365
oct337425200374
985388334217
1030003233020
11117a7052052
1259940320a4
132aa1c57827
141648a4ab6c
15ba9066c4a
hex6fc5500fc

30003233020 has 96 divisors (see below), whose sum is σ = 68595206400. Its totient is φ = 10979942400.

The previous prime is 30003233017. The next prime is 30003233021. The reversal of 30003233020 is 2033230003.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 30003232985 and 30003233003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30003233021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2374720 + ... + 2387320.

It is an arithmetic number, because the mean of its divisors is an integer number (714533400).

Almost surely, 230003233020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30003233020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34297603200).

30003233020 is an abundant number, since it is smaller than the sum of its proper divisors (38591973380).

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

30003233020 is a wasteful number, since it uses less digits than its factorization.

30003233020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12823 (or 12821 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 16.

Adding to 30003233020 its reverse (2033230003), we get a palindrome (32036463023).

The spelling of 30003233020 in words is "thirty billion, three million, two hundred thirty-three thousand, twenty".

Divisors: 1 2 4 5 10 17 20 34 47 68 85 94 149 170 188 235 298 340 470 596 745 799 940 1490 1598 2533 2980 3196 3995 5066 7003 7990 10132 12601 12665 14006 15980 25202 25330 28012 35015 50404 50660 63005 70030 119051 126010 140060 214217 238102 252020 428434 476204 592247 595255 856868 1071085 1184494 1190510 1877549 2142170 2368988 2381020 2961235 3755098 4284340 5922470 7510196 9387745 10068199 11844940 18775490 20136398 31918333 37550980 40272796 50340995 63836666 88244803 100681990 127673332 159591665 176489606 201363980 319183330 352979212 441224015 638366660 882448030 1500161651 1764896060 3000323302 6000646604 7500808255 15001616510 30003233020