Base | Representation |
---|---|
bin | 111100100110101001… |
… | …010111000011010011 |
3 | 20012222001010010001211 |
4 | 330212221113003103 |
5 | 2031232124322341 |
6 | 45521041440551 |
7 | 4462365255502 |
oct | 744651270323 |
9 | 205861103054 |
10 | 65072885971 |
11 | 25662a47405 |
12 | 10740940157 |
13 | 61a0728072 |
14 | 32144c8839 |
15 | 1a5cca5181 |
hex | f26a570d3 |
65072885971 has 2 divisors, whose sum is σ = 65072885972. Its totient is φ = 65072885970.
The previous prime is 65072885903. The next prime is 65072885993. The reversal of 65072885971 is 17958827056.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 65072885971 - 211 = 65072883923 is a prime.
It is a super-2 number, since 2×650728859712 (a number of 22 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (65072886971) 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 as a sum of consecutive naturals, namely, 32536442985 + 32536442986.
It is an arithmetic number, because the mean of its divisors is an integer number (32536442986).
Almost surely, 265072885971 is an apocalyptic number.
65072885971 is a deficient number, since it is larger than the sum of its proper divisors (1).
65072885971 is an equidigital number, since it uses as much as digits as its factorization.
65072885971 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 8467200, while the sum is 58.
The spelling of 65072885971 in words is "sixty-five billion, seventy-two million, eight hundred eighty-five thousand, nine hundred seventy-one".
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