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65730078747 = 3371255113441
BaseRepresentation
bin111101001101110100…
…010110100000011011
320021122211201222002000
4331031310112200123
52034103400004442
650110155412043
74514565310434
oct751564264033
9207584658060
1065730078747
112596aa09033
12108a4a54023
136276929c28
1432778bc48b
151a9a81dd4c
hexf4dd1681b

65730078747 has 32 divisors (see below), whose sum is σ = 98795473920. Its totient is φ = 43182720000.

The previous prime is 65730078643. The next prime is 65730078763. The reversal of 65730078747 is 74787003756.

It is not a de Polignac number, because 65730078747 - 216 = 65730013211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 65730078693 and 65730078702.

It is not an unprimeable number, because it can be changed into a prime (65730078787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4883547 + ... + 4896987.

It is an arithmetic number, because the mean of its divisors is an integer number (3087358560).

Almost surely, 265730078747 is an apocalyptic number.

65730078747 is a deficient number, since it is larger than the sum of its proper divisors (33065395173).

65730078747 is a wasteful number, since it uses less digits than its factorization.

65730078747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16072 (or 16066 counting only the distinct ones).

The product of its (nonzero) digits is 6914880, while the sum is 54.

The spelling of 65730078747 in words is "sixty-five billion, seven hundred thirty million, seventy-eight thousand, seven hundred forty-seven".

Divisors: 1 3 9 27 71 213 639 1917 2551 7653 13441 22959 40323 68877 120969 181121 362907 543363 954311 1630089 2862933 4890267 8588799 25766397 34287991 102863973 308591919 925775757 2434447361 7303342083 21910026249 65730078747