Base | Representation |
---|---|
bin | 111011111101101011… |
… | …011110010001110111 |
3 | 20011012010211001022011 |
4 | 323331223132101313 |
5 | 2023330201332012 |
6 | 45324530145051 |
7 | 4436351230516 |
oct | 737553362167 |
9 | 204163731264 |
10 | 64385574007 |
11 | 2533aa83797 |
12 | 1058a722187 |
13 | 60c120bbb1 |
14 | 318b0d467d |
15 | 1a1c78c1a7 |
hex | efdade477 |
64385574007 has 2 divisors, whose sum is σ = 64385574008. Its totient is φ = 64385574006.
The previous prime is 64385573933. The next prime is 64385574017. The reversal of 64385574007 is 70047558346.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 64385574007 - 219 = 64385049719 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (64385574017) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32192787003 + 32192787004.
It is an arithmetic number, because the mean of its divisors is an integer number (32192787004).
Almost surely, 264385574007 is an apocalyptic number.
64385574007 is a deficient number, since it is larger than the sum of its proper divisors (1).
64385574007 is an equidigital number, since it uses as much as digits as its factorization.
64385574007 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 2822400, while the sum is 49.
The spelling of 64385574007 in words is "sixty-four billion, three hundred eighty-five million, five hundred seventy-four thousand, seven".
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