Base | Representation |
---|---|
bin | 100000111101011111… |
… | …0110010000001101000 |
3 | 20202200222020111202120 |
4 | 1001322332302001220 |
5 | 2124430341124140 |
6 | 52303412031240 |
7 | 5054030326653 |
oct | 1017276620150 |
9 | 222628214676 |
10 | 70782754920 |
11 | 28023024469 |
12 | 11875002520 |
13 | 68a0670047 |
14 | 35d697289a |
15 | 1c941cd1d0 |
hex | 107afb2068 |
70782754920 has 32 divisors (see below), whose sum is σ = 212348265120. Its totient is φ = 18875401280.
The previous prime is 70782754883. The next prime is 70782754951. The reversal of 70782754920 is 2945728707.
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, 294928026 + ... + 294928265.
It is an arithmetic number, because the mean of its divisors is an integer number (6635883285).
Almost surely, 270782754920 is an apocalyptic number.
It is an amenable number.
70782754920 is an abundant number, since it is smaller than the sum of its proper divisors (141565510200).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70782754920 is a wasteful number, since it uses less digits than its factorization.
70782754920 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 589856305 (or 589856301 counting only the distinct ones).
The product of its (nonzero) digits is 1975680, while the sum is 51.
The spelling of 70782754920 in words is "seventy billion, seven hundred eighty-two million, seven hundred fifty-four thousand, nine hundred twenty".
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