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30605724416 = 28891343299
BaseRepresentation
bin11100100000001111…
…100100101100000000
32220222222001220001202
4130200033210230000
51000140031140131
622020550520332
72132303236151
oct344017445400
986888056052
1030605724416
1111a86151823
125b219660a8
132b69a16407
1416a4a81928
15be1dc7bcb
hex7203e4b00

30605724416 has 36 divisors (see below), whose sum is σ = 61778367000. Its totient is φ = 15130908672.

The previous prime is 30605724397. The next prime is 30605724421. The reversal of 30605724416 is 61442750603.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 30605724416.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 648866 + ... + 694433.

It is an arithmetic number, because the mean of its divisors is an integer number (1716065750).

Almost surely, 230605724416 is an apocalyptic number.

It is an amenable number.

30605724416 is an abundant number, since it is smaller than the sum of its proper divisors (31172642584).

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

30605724416 is an equidigital number, since it uses as much as digits as its factorization.

30605724416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1343404 (or 1343390 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 38.

The spelling of 30605724416 in words is "thirty billion, six hundred five million, seven hundred twenty-four thousand, four hundred sixteen".

Divisors: 1 2 4 8 16 32 64 89 128 178 256 356 712 1424 2848 5696 11392 22784 1343299 2686598 5373196 10746392 21492784 42985568 85971136 119553611 171942272 239107222 343884544 478214444 956428888 1912857776 3825715552 7651431104 15302862208 30605724416