Base | Representation |
---|---|
bin | 100100010111000100… |
… | …0101101000101111111 |
3 | 21110112202202222221212 |
4 | 1020232020231011333 |
5 | 2234403330220434 |
6 | 55512051115035 |
7 | 5432660222021 |
oct | 1105610550577 |
9 | 243482688855 |
10 | 78083445119 |
11 | 3012a084029 |
12 | 13171ba2a7b |
13 | 7495055c84 |
14 | 3aca402011 |
15 | 20700e08ce |
hex | 122e22d17f |
78083445119 has 4 divisors (see below), whose sum is σ = 78084748680. Its totient is φ = 78082141560.
The previous prime is 78083445113. The next prime is 78083445137. The reversal of 78083445119 is 91154438087.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91154438087 = 127 ⋅717751481.
It is a cyclic number.
It is not a de Polignac number, because 78083445119 - 24 = 78083445103 is a prime.
It is a super-2 number, since 2×780834451192 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (78083445113) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 557372 + ... + 683249.
It is an arithmetic number, because the mean of its divisors is an integer number (19521187170).
Almost surely, 278083445119 is an apocalyptic number.
78083445119 is a deficient number, since it is larger than the sum of its proper divisors (1303561).
78083445119 is a wasteful number, since it uses less digits than its factorization.
78083445119 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1303560.
The product of its (nonzero) digits is 967680, while the sum is 50.
The spelling of 78083445119 in words is "seventy-eight billion, eighty-three million, four hundred forty-five thousand, one hundred nineteen".
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