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30934187948 = 2271108923197
BaseRepresentation
bin11100110011110100…
…100011111110101100
32221211212010120022202
4130303310203332230
51001323123003243
622113323001032
72143402154606
oct346364437654
987755116282
1030934187948
11121345a7294
125bb3969178
132bbca9ba31
1416d6544176
15c10b5a4b8
hex733d23fac

30934187948 has 12 divisors (see below), whose sum is σ = 54897291792. Its totient is φ = 15249247440.

The previous prime is 30934187881. The next prime is 30934187957. The reversal of 30934187948 is 84978143903.

It is a junction number, because it is equal to n+sod(n) for n = 30934187893 and 30934187902.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54461315 + ... + 54461882.

It is an arithmetic number, because the mean of its divisors is an integer number (4574774316).

Almost surely, 230934187948 is an apocalyptic number.

It is an amenable number.

30934187948 is a deficient number, since it is larger than the sum of its proper divisors (23963103844).

30934187948 is a wasteful number, since it uses less digits than its factorization.

30934187948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108923272 (or 108923270 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 56.

The spelling of 30934187948 in words is "thirty billion, nine hundred thirty-four million, one hundred eighty-seven thousand, nine hundred forty-eight".

Divisors: 1 2 4 71 142 284 108923197 217846394 435692788 7733546987 15467093974 30934187948