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BaseRepresentation
bin11100010110111001…
…100101110011111001
32220121001002210012000
4130112321211303321
5444324413420110
621553231011213
72125360643160
oct342671456371
986531083160
1030448966905
1111a05714565
125a99369b09
132b433bc7a6
14168bd183d7
15bd32611c0
hex716e65cf9

30448966905 has 64 divisors (see below), whose sum is σ = 62008934400. Its totient is φ = 13887046080.

The previous prime is 30448966903. The next prime is 30448966907. The reversal of 30448966905 is 50966984403.

It is an interprime number because it is at equal distance from previous prime (30448966903) and next prime (30448966907).

It is not a de Polignac number, because 30448966905 - 21 = 30448966903 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30448966903) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 369916 + ... + 444674.

It is an arithmetic number, because the mean of its divisors is an integer number (968889600).

Almost surely, 230448966905 is an apocalyptic number.

30448966905 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30448966905 is an abundant number, since it is smaller than the sum of its proper divisors (31559967495).

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

30448966905 is a wasteful number, since it uses less digits than its factorization.

30448966905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75211 (or 75205 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 54.

The spelling of 30448966905 in words is "thirty billion, four hundred forty-eight million, nine hundred sixty-six thousand, nine hundred five".