Base | Representation |
---|---|
bin | 100100101001111010… |
… | …1111001001101101110 |
3 | 21112011212010120022000 |
4 | 1021103311321031232 |
5 | 2242202302020423 |
6 | 100054530033130 |
7 | 5454441241002 |
oct | 1112365711556 |
9 | 245155116260 |
10 | 78716048238 |
11 | 30424180123 |
12 | 13309a187a6 |
13 | 7566128649 |
14 | 3b4a434702 |
15 | 20aa8ed843 |
hex | 1253d7936e |
78716048238 has 16 divisors (see below), whose sum is σ = 174924551760. Its totient is φ = 26238682728.
The previous prime is 78716048219. The next prime is 78716048249. The reversal of 78716048238 is 83284061787.
It is a happy number.
78716048238 is a `hidden beast` number, since 7 + 8 + 7 + 1 + 604 + 8 + 23 + 8 = 666.
It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 1457704597 = 78716048238 / (7 + 8 + 7 + 1 + 6 + 0 + 4 + 8 + 2 + 3 + 8).
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 728852245 + ... + 728852352.
It is an arithmetic number, because the mean of its divisors is an integer number (10932784485).
Almost surely, 278716048238 is an apocalyptic number.
78716048238 is an abundant number, since it is smaller than the sum of its proper divisors (96208503522).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
78716048238 is a wasteful number, since it uses less digits than its factorization.
78716048238 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1457704608 (or 1457704602 counting only the distinct ones).
The product of its (nonzero) digits is 3612672, while the sum is 54.
The spelling of 78716048238 in words is "seventy-eight billion, seven hundred sixteen million, forty-eight thousand, two hundred thirty-eight".
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