Base | Representation |
---|---|
bin | 100100100010100101… |
… | …1100101101010000111 |
3 | 21111112201021221021111 |
4 | 1021011023211222013 |
5 | 2241201314431223 |
6 | 100014302025451 |
7 | 5445363435610 |
oct | 1110513455207 |
9 | 244481257244 |
10 | 78470077063 |
11 | 30308349364 |
12 | 1325b578287 |
13 | 7527196981 |
14 | 3b258c6c07 |
15 | 209401330d |
hex | 12452e5a87 |
78470077063 has 32 divisors (see below), whose sum is σ = 95002951680. Its totient is φ = 63358938720.
The previous prime is 78470077031. The next prime is 78470077069. The reversal of 78470077063 is 36077007487.
It is not a de Polignac number, because 78470077063 - 25 = 78470077031 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 78470076998 and 78470077016.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (78470077069) by changing a digit.
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 31 ways as a sum of consecutive naturals, for example, 11873506 + ... + 11880112.
It is an arithmetic number, because the mean of its divisors is an integer number (2968842240).
Almost surely, 278470077063 is an apocalyptic number.
78470077063 is a deficient number, since it is larger than the sum of its proper divisors (16532874617).
78470077063 is a wasteful number, since it uses less digits than its factorization.
78470077063 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7747.
The product of its (nonzero) digits is 1382976, while the sum is 49.
The spelling of 78470077063 in words is "seventy-eight billion, four hundred seventy million, seventy-seven thousand, sixty-three".
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