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30543960864 = 253794027421
BaseRepresentation
bin11100011100100011…
…111101101100100000
32220211122211222101210
4130130203331230200
51000023223221424
622010503030120
72130623245404
oct343443755440
986748758353
1030543960864
1111a542a696a
125b0513b340
132b59c9c831
14169a7a5104
15bdb777729
hex71c8fdb20

30543960864 has 48 divisors (see below), whose sum is σ = 81192827520. Its totient is φ = 10052440320.

The previous prime is 30543960857. The next prime is 30543960893. The reversal of 30543960864 is 46806934503.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 2006127 + ... + 2021294.

It is an arithmetic number, because the mean of its divisors is an integer number (1691517240).

Almost surely, 230543960864 is an apocalyptic number.

It is an amenable number.

30543960864 is an abundant number, since it is smaller than the sum of its proper divisors (50648866656).

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

30543960864 is a wasteful number, since it uses less digits than its factorization.

30543960864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4027513 (or 4027505 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 48.

The spelling of 30543960864 in words is "thirty billion, five hundred forty-three million, nine hundred sixty thousand, eight hundred sixty-four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 79 96 158 237 316 474 632 948 1264 1896 2528 3792 7584 4027421 8054842 12082263 16109684 24164526 32219368 48329052 64438736 96658104 128877472 193316208 318166259 386632416 636332518 954498777 1272665036 1908997554 2545330072 3817995108 5090660144 7635990216 10181320288 15271980432 30543960864