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1713987305 = 54723930517
BaseRepresentation
bin110011000101001…
…0101111011101001
311102110011120120022
41212022111323221
512002240043210
6442024410225
760321436352
oct14612257351
94373146508
101713987305
117aa557038
123ba016975
13214135c94
141238c6d29
15a0718155
hex66295ee9

1713987305 has 16 divisors (see below), whose sum is σ = 2109404160. Its totient is φ = 1336356672.

The previous prime is 1713987287. The next prime is 1713987313. The reversal of 1713987305 is 5037893171.

It is a cyclic number.

It is not a de Polignac number, because 1713987305 - 28 = 1713987049 is a prime.

It is a Curzon 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 15 ways as a sum of consecutive naturals, for example, 40907 + ... + 71423.

It is an arithmetic number, because the mean of its divisors is an integer number (131837760).

Almost surely, 21713987305 is an apocalyptic number.

It is an amenable number.

1713987305 is a deficient number, since it is larger than the sum of its proper divisors (395416855).

1713987305 is a wasteful number, since it uses less digits than its factorization.

1713987305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30808.

The product of its (nonzero) digits is 158760, while the sum is 44.

The square root of 1713987305 is about 41400.3297692180. The cubic root of 1713987305 is about 1196.7475130067.

The spelling of 1713987305 in words is "one billion, seven hundred thirteen million, nine hundred eighty-seven thousand, three hundred five".

Divisors: 1 5 47 235 239 1195 11233 30517 56165 152585 1434299 7171495 7293563 36467815 342797461 1713987305