Base | Representation |
---|---|
bin | 111110001010010001… |
… | …001001100101101010 |
3 | 20101021112002202112120 |
4 | 332022101021211222 |
5 | 2043143012322340 |
6 | 50354545052110 |
7 | 4551661600062 |
oct | 761221114552 |
9 | 211245082476 |
10 | 66744260970 |
11 | 26340439162 |
12 | 10b28627036 |
13 | 63a8a9145a |
14 | 333247c3a2 |
15 | 1b098a24d0 |
hex | f8a44996a |
66744260970 has 32 divisors (see below), whose sum is σ = 167150846592. Its totient is φ = 17024622912.
The previous prime is 66744260969. The next prime is 66744261011. The reversal of 66744260970 is 7906244766.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48364717 + ... + 48366096.
It is an arithmetic number, because the mean of its divisors is an integer number (5223463956).
Almost surely, 266744260970 is an apocalyptic number.
66744260970 is an abundant number, since it is smaller than the sum of its proper divisors (100406585622).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
66744260970 is a wasteful number, since it uses less digits than its factorization.
66744260970 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 96730846.
The product of its (nonzero) digits is 3048192, while the sum is 51.
The spelling of 66744260970 in words is "sixty-six billion, seven hundred forty-four million, two hundred sixty thousand, nine hundred seventy".
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