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30203333212 = 2213244679487
BaseRepresentation
bin11100001000010000…
…100100101001011100
32212221220220022002211
4130020100210221130
5443324023130322
621513014130204
72116316045023
oct341020445134
985856808084
1030203333212
1111899aa3308
125a2b050964
132b04548600
1416674578ba
15bbb8e0b77
hex708424a5c

30203333212 has 18 divisors (see below), whose sum is σ = 57234424128. Its totient is φ = 13939999632.

The previous prime is 30203333207. The next prime is 30203333219. The reversal of 30203333212 is 21233330203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30203333219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22339068 + ... + 22340419.

Almost surely, 230203333212 is an apocalyptic number.

It is an amenable number.

30203333212 is a deficient number, since it is larger than the sum of its proper divisors (27031090916).

30203333212 is a wasteful number, since it uses less digits than its factorization.

30203333212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44679517 (or 44679502 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 22.

Adding to 30203333212 its reverse (21233330203), we get a palindrome (51436663415).

The spelling of 30203333212 in words is "thirty billion, two hundred three million, three hundred thirty-three thousand, two hundred twelve".

Divisors: 1 2 4 13 26 52 169 338 676 44679487 89358974 178717948 580833331 1161666662 2323333324 7550833303 15101666606 30203333212