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30533354145 = 325796931283
BaseRepresentation
bin11100011011111011…
…100000001010100001
32220210220220002201100
4130123323200022201
51000013014313040
622005443425013
72130434141130
oct343373401241
986726802640
1030533354145
1111a49311988
125b01685169
132b57a27a78
141699203917
15bda87eb30
hex71bee02a1

30533354145 has 24 divisors (see below), whose sum is σ = 60485121216. Its totient is φ = 13958104608.

The previous prime is 30533354099. The next prime is 30533354147. The reversal of 30533354145 is 54145333503.

30533354145 is a `hidden beast` number, since 30 + 53 + 33 + 541 + 4 + 5 = 666.

It is not a de Polignac number, because 30533354145 - 29 = 30533353633 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30533354147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48465327 + ... + 48465956.

It is an arithmetic number, because the mean of its divisors is an integer number (2520213384).

Almost surely, 230533354145 is an apocalyptic number.

30533354145 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30533354145 is a deficient number, since it is larger than the sum of its proper divisors (29951767071).

30533354145 is a wasteful number, since it uses less digits than its factorization.

30533354145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96931301 (or 96931298 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 36.

Adding to 30533354145 its reverse (54145333503), we get a palindrome (84678687648).

The spelling of 30533354145 in words is "thirty billion, five hundred thirty-three million, three hundred fifty-four thousand, one hundred forty-five".

Divisors: 1 3 5 7 9 15 21 35 45 63 105 315 96931283 290793849 484656415 678518981 872381547 1453969245 2035556943 3392594905 4361907735 6106670829 10177784715 30533354145