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30331428216 = 2331263809509
BaseRepresentation
bin11100001111111001…
…001101110101111000
32220021211221012102020
4130033321031311320
5444104321200331
621533431434440
72122432612605
oct341771156570
986254835366
1030331428216
1111955333a51
125a65b25a20
132b24c47c7b
14167a47d6ac
15bc7c94c96
hex70fe4dd78

30331428216 has 16 divisors (see below), whose sum is σ = 75828570600. Its totient is φ = 10110476064.

The previous prime is 30331428167. The next prime is 30331428217. The reversal of 30331428216 is 61282413303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30331428217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 631904731 + ... + 631904778.

Almost surely, 230331428216 is an apocalyptic number.

It is an amenable number.

30331428216 is an abundant number, since it is smaller than the sum of its proper divisors (45497142384).

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

30331428216 is a wasteful number, since it uses less digits than its factorization.

30331428216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1263809518 (or 1263809514 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The spelling of 30331428216 in words is "thirty billion, three hundred thirty-one million, four hundred twenty-eight thousand, two hundred sixteen".

Divisors: 1 2 3 4 6 8 12 24 1263809509 2527619018 3791428527 5055238036 7582857054 10110476072 15165714108 30331428216