Base | Representation |
---|---|
bin | 100100100101001111… |
… | …1000100011101000111 |
3 | 21111202220202020200001 |
4 | 1021022133010131013 |
5 | 2241342110220043 |
6 | 100031201302131 |
7 | 5450524035400 |
oct | 1111237043507 |
9 | 244686666601 |
10 | 78559070023 |
11 | 30353602065 |
12 | 13285334947 |
13 | 753c755425 |
14 | 3b336509a7 |
15 | 209bc4174d |
hex | 124a7c4747 |
78559070023 has 6 divisors (see below), whose sum is σ = 91385040696. Its totient is φ = 67336345692.
The previous prime is 78559070003. The next prime is 78559070077. The reversal of 78559070023 is 32007095587.
It is not a de Polignac number, because 78559070023 - 213 = 78559061831 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (78559070003) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 801623115 + ... + 801623212.
It is an arithmetic number, because the mean of its divisors is an integer number (15230840116).
Almost surely, 278559070023 is an apocalyptic number.
78559070023 is a deficient number, since it is larger than the sum of its proper divisors (12825970673).
78559070023 is a wasteful number, since it uses less digits than its factorization.
78559070023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1603246341 (or 1603246334 counting only the distinct ones).
The product of its (nonzero) digits is 529200, while the sum is 46.
The spelling of 78559070023 in words is "seventy-eight billion, five hundred fifty-nine million, seventy thousand, twenty-three".
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