Base | Representation |
---|---|
bin | 111101111011011011… |
… | …011000110001010001 |
3 | 20100122011121112120110 |
4 | 331323123120301101 |
5 | 2042140243130403 |
6 | 50314132431533 |
7 | 4542546415416 |
oct | 757333306121 |
9 | 210564545513 |
10 | 66495286353 |
11 | 26222945911 |
12 | 10a791785a9 |
13 | 636931a6b2 |
14 | 330b38c10d |
15 | 1ae2ac2103 |
hex | f7b6d8c51 |
66495286353 has 4 divisors (see below), whose sum is σ = 88660381808. Its totient is φ = 44330190900.
The previous prime is 66495286343. The next prime is 66495286357. The reversal of 66495286353 is 35368259466.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 66495286353 - 216 = 66495220817 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 66495286293 and 66495286302.
It is not an unprimeable number, because it can be changed into a prime (66495286357) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11082547723 + ... + 11082547728.
It is an arithmetic number, because the mean of its divisors is an integer number (22165095452).
Almost surely, 266495286353 is an apocalyptic number.
It is an amenable number.
66495286353 is a deficient number, since it is larger than the sum of its proper divisors (22165095455).
66495286353 is a wasteful number, since it uses less digits than its factorization.
66495286353 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22165095454.
The product of its digits is 27993600, while the sum is 57.
The spelling of 66495286353 in words is "sixty-six billion, four hundred ninety-five million, two hundred eighty-six thousand, three hundred fifty-three".
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