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30442206312 = 2332760401203
BaseRepresentation
bin11100010110011111…
…110011010001101000
32220120120101022101200
4130112133303101220
5444321201100222
621552430044200
72125246325040
oct342637632150
986516338350
1030442206312
1111a019171a1
125a97049660
132b41b9353b
14168b078720
15bd2877eac
hex7167f3468

30442206312 has 48 divisors (see below), whose sum is σ = 94225878240. Its totient is φ = 8697773088.

The previous prime is 30442206287. The next prime is 30442206313. The reversal of 30442206312 is 21360224403.

30442206312 is a `hidden beast` number, since 3 + 0 + 4 + 4 + 2 + 20 + 631 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (30442206313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30200098 + ... + 30201105.

It is an arithmetic number, because the mean of its divisors is an integer number (1963039130).

Almost surely, 230442206312 is an apocalyptic number.

It is an amenable number.

30442206312 is an abundant number, since it is smaller than the sum of its proper divisors (63783671928).

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

30442206312 is a wasteful number, since it uses less digits than its factorization.

30442206312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60401222 (or 60401215 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The spelling of 30442206312 in words is "thirty billion, four hundred forty-two million, two hundred six thousand, three hundred twelve".

Divisors: 1 2 3 4 6 7 8 9 12 14 18 21 24 28 36 42 56 63 72 84 126 168 252 504 60401203 120802406 181203609 241604812 362407218 422808421 483209624 543610827 724814436 845616842 1087221654 1268425263 1449628872 1691233684 2174443308 2536850526 3382467368 3805275789 4348886616 5073701052 7610551578 10147402104 15221103156 30442206312