Base | Representation |
---|---|
bin | 100100010100101110… |
… | …0101000101110001101 |
3 | 21110100021202121012120 |
4 | 1020221130220232031 |
5 | 2234223211042023 |
6 | 55500201123153 |
7 | 5431013503242 |
oct | 1105134505615 |
9 | 243307677176 |
10 | 78004784013 |
11 | 30099737852 |
12 | 1314b7894b9 |
13 | 7481974140 |
14 | 3abdba75c9 |
15 | 20682538e3 |
hex | 1229728b8d |
78004784013 has 16 divisors (see below), whose sum is σ = 112036720320. Its totient is φ = 47990150784.
The previous prime is 78004784003. The next prime is 78004784029. The reversal of 78004784013 is 31048740087.
It is not a de Polignac number, because 78004784013 - 29 = 78004783501 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (78004784003) 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 15 ways as a sum of consecutive naturals, for example, 117256 + ... + 412017.
It is an arithmetic number, because the mean of its divisors is an integer number (7002295020).
Almost surely, 278004784013 is an apocalyptic number.
It is an amenable number.
78004784013 is a deficient number, since it is larger than the sum of its proper divisors (34031936307).
78004784013 is a wasteful number, since it uses less digits than its factorization.
78004784013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 533068.
The product of its (nonzero) digits is 150528, while the sum is 42.
The spelling of 78004784013 in words is "seventy-eight billion, four million, seven hundred eighty-four thousand, thirteen".
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