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42730500671 = 1761229717939
BaseRepresentation
bin100111110010111011…
…111011001000111111
311002021221222100020222
4213302323323020333
51200003002010141
631344034531555
73041621156105
oct476273731077
9132257870228
1042730500671
1117138287671
128346436bbb
13404c987b31
1420d509dc75
1511a159414b
hex9f2efb23f

42730500671 has 16 divisors (see below), whose sum is σ = 46008349920. Its totient is φ = 39538222080.

The previous prime is 42730500643. The next prime is 42730500677. The reversal of 42730500671 is 17600503724.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-42730500671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42730500677) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2373020 + ... + 2390958.

It is an arithmetic number, because the mean of its divisors is an integer number (2875521870).

Almost surely, 242730500671 is an apocalyptic number.

42730500671 is a deficient number, since it is larger than the sum of its proper divisors (3277849249).

42730500671 is a wasteful number, since it uses less digits than its factorization.

42730500671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20314.

The product of its (nonzero) digits is 35280, while the sum is 35.

The spelling of 42730500671 in words is "forty-two billion, seven hundred thirty million, five hundred thousand, six hundred seventy-one".

Divisors: 1 17 61 1037 2297 17939 39049 140117 304963 1094279 2381989 18602743 41205883 700500011 2513558863 42730500671