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30848380192 = 257294748827
BaseRepresentation
bin11100101110101101…
…001110110100100000
32221121212200002012201
4130232231032310200
51001134141131232
622101015502544
72141310622330
oct345655166440
987555602181
1030848380192
11120a0119693
125b8b087a54
132ba8087006
1416c8da90c0
15c0835abe7
hex72eb4ed20

30848380192 has 48 divisors (see below), whose sum is σ = 71802279360. Its totient is φ = 12764844288.

The previous prime is 30848380151. The next prime is 30848380193. The reversal of 30848380192 is 29108384803.

It is not an unprimeable number, because it can be changed into a prime (30848380193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2367918 + ... + 2380909.

It is an arithmetic number, because the mean of its divisors is an integer number (1495880820).

Almost surely, 230848380192 is an apocalyptic number.

30848380192 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

30848380192 is an abundant number, since it is smaller than the sum of its proper divisors (40953899168).

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

30848380192 is a wasteful number, since it uses less digits than its factorization.

30848380192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4748873 (or 4748865 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 46.

The spelling of 30848380192 in words is "thirty billion, eight hundred forty-eight million, three hundred eighty thousand, one hundred ninety-two".

Divisors: 1 2 4 7 8 14 16 28 29 32 56 58 112 116 203 224 232 406 464 812 928 1624 3248 6496 4748827 9497654 18995308 33241789 37990616 66483578 75981232 132967156 137715983 151962464 265934312 275431966 531868624 550863932 964011881 1063737248 1101727864 1928023762 2203455728 3856047524 4406911456 7712095048 15424190096 30848380192