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30201232220 = 2254167549713
BaseRepresentation
bin11100001000001000…
…100011101101011100
32212221202221120002022
4130020020203231130
5443323003412340
621512501115312
72116262144465
oct341010435534
985852846068
1030201232220
1111898898855
125a2a3b8b38
132b03c91213
14166706bd6c
15bbb6283b5
hex708223b5c

30201232220 has 48 divisors (see below), whose sum is σ = 65939293728. Its totient is φ = 11609917440.

The previous prime is 30201232211. The next prime is 30201232267. The reversal of 30201232220 is 2223210203.

It is a super-2 number, since 2×302012322202 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 219917 + ... + 329796.

It is an arithmetic number, because the mean of its divisors is an integer number (1373735286).

Almost surely, 230201232220 is an apocalyptic number.

It is an amenable number.

30201232220 is an abundant number, since it is smaller than the sum of its proper divisors (35738061508).

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

30201232220 is a wasteful number, since it uses less digits than its factorization.

30201232220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549830 (or 549828 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 30201232220 its reverse (2223210203), we get a palindrome (32424442423).

The spelling of 30201232220 in words is "thirty billion, two hundred one million, two hundred thirty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 41 67 82 134 164 205 268 335 410 670 820 1340 2747 5494 10988 13735 27470 54940 549713 1099426 2198852 2748565 5497130 10994260 22538233 36830771 45076466 73661542 90152932 112691165 147323084 184153855 225382330 368307710 450764660 736615420 1510061611 3020123222 6040246444 7550308055 15100616110 30201232220