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30847733168 = 247881931231
BaseRepresentation
bin11100101110101010…
…110000110110110000
32221121211110012122212
4130232222300312300
51001134004430133
622100553551252
72141302256060
oct345652606660
987554405585
1030847733168
111209a81755a
125b8aa15528
132ba7bbb665
1416c8c7b3a0
15c0827e148
hex72eab0db0

30847733168 has 40 divisors (see below), whose sum is σ = 68315627520. Its totient is φ = 13218534720.

The previous prime is 30847733141. The next prime is 30847733171. The reversal of 30847733168 is 86133774803.

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, 972113 + ... + 1003343.

It is an arithmetic number, because the mean of its divisors is an integer number (1707890688).

Almost surely, 230847733168 is an apocalyptic number.

It is an amenable number.

30847733168 is an abundant number, since it is smaller than the sum of its proper divisors (37467894352).

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

30847733168 is a wasteful number, since it uses less digits than its factorization.

30847733168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40065 (or 40059 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 50.

The spelling of 30847733168 in words is "thirty billion, eight hundred forty-seven million, seven hundred thirty-three thousand, one hundred sixty-eight".

Divisors: 1 2 4 7 8 14 16 28 56 112 8819 17638 31231 35276 61733 62462 70552 123466 124924 141104 218617 246932 249848 437234 493864 499696 874468 987728 1748936 3497872 275426189 550852378 1101704756 1927983323 2203409512 3855966646 4406819024 7711933292 15423866584 30847733168