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470305682728 = 2378398315763
BaseRepresentation
bin1101101100000000110…
…01110011010100101000
31122221221102010002201221
412312000121303110220
530201141223321403
61000015550551424
745656420225650
oct6660031632450
91587842102657
10470305682728
1117150132a422
1277194508574
13354711c323b
1418a9762b360
15c378c8bdbd
hex6d80673528

470305682728 has 16 divisors (see below), whose sum is σ = 1007797891680. Its totient is φ = 201559578288.

The previous prime is 470305682719. The next prime is 470305682779. The reversal of 470305682728 is 827286503074.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4199157826 + ... + 4199157937.

It is an arithmetic number, because the mean of its divisors is an integer number (62987368230).

Almost surely, 2470305682728 is an apocalyptic number.

It is an amenable number.

470305682728 is an abundant number, since it is smaller than the sum of its proper divisors (537492208952).

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

470305682728 is a wasteful number, since it uses less digits than its factorization.

470305682728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8398315776 (or 8398315772 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 52.

The spelling of 470305682728 in words is "four hundred seventy billion, three hundred five million, six hundred eighty-two thousand, seven hundred twenty-eight".

Divisors: 1 2 4 7 8 14 28 56 8398315763 16796631526 33593263052 58788210341 67186526104 117576420682 235152841364 470305682728