Base | Representation |
---|---|
bin | 111101101111111010… |
… | …010100011000011100 |
3 | 20100010201001001011111 |
4 | 331233322110120130 |
5 | 2041241312141002 |
6 | 50243031231404 |
7 | 4535012165350 |
oct | 755772243034 |
9 | 210121031144 |
10 | 66302068252 |
11 | 26133875232 |
12 | 10a24518564 |
13 | 6338299264 |
14 | 32cd853460 |
15 | 1ad0b573d7 |
hex | f6fe9461c |
66302068252 has 48 divisors (see below), whose sum is σ = 135746392320. Its totient is φ = 27742401792.
The previous prime is 66302068229. The next prime is 66302068253. The reversal of 66302068252 is 25286020366.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (66302068253) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3130683 + ... + 3151789.
It is an arithmetic number, because the mean of its divisors is an integer number (2828049840).
Almost surely, 266302068252 is an apocalyptic number.
It is an amenable number.
66302068252 is an abundant number, since it is smaller than the sum of its proper divisors (69444324068).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
66302068252 is a wasteful number, since it uses less digits than its factorization.
66302068252 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23770 (or 23768 counting only the distinct ones).
The product of its (nonzero) digits is 207360, while the sum is 40.
The spelling of 66302068252 in words is "sixty-six billion, three hundred two million, sixty-eight thousand, two hundred fifty-two".
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