Base | Representation |
---|---|
bin | 111100011011001000… |
… | …011010100001001110 |
3 | 20012110120121020210120 |
4 | 330123020122201032 |
5 | 2030333200400141 |
6 | 45445541045410 |
7 | 4454531231310 |
oct | 743310324116 |
9 | 205416536716 |
10 | 64879700046 |
11 | 25573998a17 |
12 | 106a80b6866 |
13 | 616c6b8475 |
14 | 31d699b7b0 |
15 | 1a4ad44c66 |
hex | f1b21a84e |
64879700046 has 16 divisors (see below), whose sum is σ = 148296457344. Its totient is φ = 18537057144.
The previous prime is 64879700033. The next prime is 64879700071. The reversal of 64879700046 is 64000797846.
It is a congruent number.
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 7 ways as a sum of consecutive naturals, for example, 772377340 + ... + 772377423.
It is an arithmetic number, because the mean of its divisors is an integer number (9268528584).
Almost surely, 264879700046 is an apocalyptic number.
64879700046 is an abundant number, since it is smaller than the sum of its proper divisors (83416757298).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
64879700046 is a wasteful number, since it uses less digits than its factorization.
64879700046 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1544754775.
The product of its (nonzero) digits is 2032128, while the sum is 51.
The spelling of 64879700046 in words is "sixty-four billion, eight hundred seventy-nine million, seven hundred thousand, forty-six".
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