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30505005016 = 2379331145823
BaseRepresentation
bin11100011010001111…
…010110111111011000
32220201221112211000121
4130122033112333120
5444433240130031
622002552043024
72126641156453
oct343217267730
986657484017
1030505005016
1111a34309852
125ab4093474
132b51bb0335
14169554449a
15bd8130011
hex71a3d6fd8

30505005016 has 32 divisors (see below), whose sum is σ = 58096281600. Its totient is φ = 15013833120.

The previous prime is 30505004863. The next prime is 30505005031. The reversal of 30505005016 is 61050050503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136281 + ... + 282103.

It is an arithmetic number, because the mean of its divisors is an integer number (1815508800).

Almost surely, 230505005016 is an apocalyptic number.

It is an amenable number.

30505005016 is a deficient number, since it is larger than the sum of its proper divisors (27591276584).

30505005016 is a wasteful number, since it uses less digits than its factorization.

30505005016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146239 (or 146235 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 25.

Adding to 30505005016 its reverse (61050050503), we get a palindrome (91555055519).

The spelling of 30505005016 in words is "thirty billion, five hundred five million, five thousand, sixteen".

Divisors: 1 2 4 8 79 158 316 331 632 662 1324 2648 26149 52298 104596 145823 209192 291646 583292 1166584 11520017 23040034 46080068 48267413 92160136 96534826 193069652 386139304 3813125627 7626251254 15252502508 30505005016