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30111232208 = 242964894897
BaseRepresentation
bin11100000010110001…
…001111000011010000
32212201111121002021112
4130002301033003100
5443131433412313
621455524112452
72114120152001
oct340261170320
985644532245
1030111232208
1111852007482
125a04235728
132abb43c285
1416591211a8
15bb379b8a8
hex702c4f0d0

30111232208 has 20 divisors (see below), whose sum is σ = 60352255140. Its totient is φ = 14536456704.

The previous prime is 30111232183. The next prime is 30111232211. The reversal of 30111232208 is 80223211103.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5371717264 + 24739514944 = 73292^2 + 157288^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32446985 + ... + 32447912.

It is an arithmetic number, because the mean of its divisors is an integer number (3017612757).

Almost surely, 230111232208 is an apocalyptic number.

It is an amenable number.

30111232208 is an abundant number, since it is smaller than the sum of its proper divisors (30241022932).

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

30111232208 is a wasteful number, since it uses less digits than its factorization.

30111232208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64894934 (or 64894928 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The spelling of 30111232208 in words is "thirty billion, one hundred eleven million, two hundred thirty-two thousand, two hundred eight".

Divisors: 1 2 4 8 16 29 58 116 232 464 64894897 129789794 259579588 519159176 1038318352 1881952013 3763904026 7527808052 15055616104 30111232208