Base | Representation |
---|---|
bin | 111101011101101001… |
… | …110011111000110000 |
3 | 20022100100122111211121 |
4 | 331131221303320300 |
5 | 2040124403012320 |
6 | 50152405552024 |
7 | 4524302425126 |
oct | 753551637060 |
9 | 208310574747 |
10 | 65995750960 |
11 | 25a96976547 |
12 | 10959a15614 |
13 | 62b9998c19 |
14 | 32a0cb7916 |
15 | 1ab3ceb8aa |
hex | f5da73e30 |
65995750960 has 40 divisors (see below), whose sum is σ = 153486426240. Its totient is φ = 26390333952.
The previous prime is 65995750939. The next prime is 65995750967. The reversal of 65995750960 is 6905759956.
It is a tau number, because it is divible by the number of its divisors (40).
It is a Smith number, since the sum of its digits (61) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (65995750967) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145924 + ... + 391516.
It is an arithmetic number, because the mean of its divisors is an integer number (3837160656).
Almost surely, 265995750960 is an apocalyptic number.
It is an amenable number.
65995750960 is an abundant number, since it is smaller than the sum of its proper divisors (87490675280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
65995750960 is a wasteful number, since it uses less digits than its factorization.
65995750960 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 248965 (or 248959 counting only the distinct ones).
The product of its (nonzero) digits is 22963500, while the sum is 61.
The spelling of 65995750960 in words is "sixty-five billion, nine hundred ninety-five million, seven hundred fifty thousand, nine hundred sixty".
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