Base | Representation |
---|---|
bin | 110100110011111111… |
… | …001110000111010111 |
3 | 12102100222211012002010 |
4 | 310303333032013113 |
5 | 1412113414121001 |
6 | 42014543115303 |
7 | 4045150503660 |
oct | 646377160727 |
9 | 172328735063 |
10 | 56706785751 |
11 | 2205a5584a0 |
12 | aba6ba2b33 |
13 | 54693b26c5 |
14 | 2a5d362367 |
15 | 171d5908d6 |
hex | d33fce1d7 |
56706785751 has 16 divisors (see below), whose sum is σ = 94265826048. Its totient is φ = 29458070400.
The previous prime is 56706785741. The next prime is 56706785753. The reversal of 56706785751 is 15758760765.
It is not a de Polignac number, because 56706785751 - 214 = 56706769367 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 56706785691 and 56706785700.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (56706785753) 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 15 ways as a sum of consecutive naturals, for example, 122741730 + ... + 122742191.
It is an arithmetic number, because the mean of its divisors is an integer number (5891614128).
Almost surely, 256706785751 is an apocalyptic number.
56706785751 is a deficient number, since it is larger than the sum of its proper divisors (37559040297).
56706785751 is a wasteful number, since it uses less digits than its factorization.
56706785751 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 245483942.
The product of its (nonzero) digits is 12348000, while the sum is 57.
The spelling of 56706785751 in words is "fifty-six billion, seven hundred six million, seven hundred eighty-five thousand, seven hundred fifty-one".
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