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30302233212 = 2233768248273
BaseRepresentation
bin11100001110001001…
…110110001001111100
32220012210222221101210
4130032021312021330
5444024332430322
621530510004420
72121626506146
oct341611661174
986183887353
1030302233212
111193a903349
125a581a6710
132b1bb95514
14167663dc96
15bc542970c
hex70e27627c

30302233212 has 24 divisors (see below), whose sum is σ = 72616163536. Its totient is φ = 9827751168.

The previous prime is 30302233189. The next prime is 30302233237. The reversal of 30302233212 is 21233220303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34123693 + ... + 34124580.

Almost surely, 230302233212 is an apocalyptic number.

It is an amenable number.

30302233212 is an abundant number, since it is smaller than the sum of its proper divisors (42313930324).

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

30302233212 is a wasteful number, since it uses less digits than its factorization.

30302233212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68248317 (or 68248315 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 30302233212 its reverse (21233220303), we get a palindrome (51535453515).

The spelling of 30302233212 in words is "thirty billion, three hundred two million, two hundred thirty-three thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 37 74 111 148 222 444 68248273 136496546 204744819 272993092 409489638 818979276 2525186101 5050372202 7575558303 10100744404 15151116606 30302233212