Base | Representation |
---|---|
bin | 111100100011101101… |
… | …101001111101111010 |
3 | 20012211121112012200110 |
4 | 330203231221331322 |
5 | 2031132030233003 |
6 | 45512123045150 |
7 | 4461230110116 |
oct | 744355517572 |
9 | 205747465613 |
10 | 65023680378 |
11 | 25638199528 |
12 | 107283707b6 |
13 | 619348a427 |
14 | 320bb5a746 |
15 | 1a587d5a03 |
hex | f23b69f7a |
65023680378 has 16 divisors (see below), whose sum is σ = 130052998080. Its totient is φ = 21673620576.
The previous prime is 65023680377. The next prime is 65023680391. The reversal of 65023680378 is 87308632056.
It is not an unprimeable number, because it can be changed into a prime (65023680377) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76750 + ... + 368697.
It is an arithmetic number, because the mean of its divisors is an integer number (8128312380).
Almost surely, 265023680378 is an apocalyptic number.
65023680378 is an abundant number, since it is smaller than the sum of its proper divisors (65029317702).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
65023680378 is a wasteful number, since it uses less digits than its factorization.
65023680378 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 469781.
The product of its (nonzero) digits is 1451520, while the sum is 48.
The spelling of 65023680378 in words is "sixty-five billion, twenty-three million, six hundred eighty thousand, three hundred seventy-eight".
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