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30378405356 = 22134114248783
BaseRepresentation
bin11100010010101100…
…011010110111101100
32220102010022212221022
4130102230122313230
5444203332432411
621542230353312
72123543120315
oct342254326754
986363285838
1030378405356
11119798aa632
125a797bb838
132b318b54b0
1416827cb60c
15bcbe73edb
hex712b1adec

30378405356 has 24 divisors (see below), whose sum is σ = 58647994944. Its totient is φ = 13678830720.

The previous prime is 30378405331. The next prime is 30378405367. The reversal of 30378405356 is 65350487303.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 7122260 + ... + 7126523.

It is an arithmetic number, because the mean of its divisors is an integer number (2443666456).

Almost surely, 230378405356 is an apocalyptic number.

It is an amenable number.

30378405356 is a deficient number, since it is larger than the sum of its proper divisors (28269589588).

30378405356 is a wasteful number, since it uses less digits than its factorization.

30378405356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14248841 (or 14248839 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 44.

The spelling of 30378405356 in words is "thirty billion, three hundred seventy-eight million, four hundred five thousand, three hundred fifty-six".

Divisors: 1 2 4 13 26 41 52 82 164 533 1066 2132 14248783 28497566 56995132 185234179 370468358 584200103 740936716 1168400206 2336800412 7594601339 15189202678 30378405356