Base | Representation |
---|---|
bin | 100100010111110111… |
… | …0111000111101111011 |
3 | 21110121122011221020222 |
4 | 1020233232320331323 |
5 | 2234432204414233 |
6 | 55514445210255 |
7 | 5433434010125 |
oct | 1105756707573 |
9 | 243548157228 |
10 | 78110232443 |
11 | 3014320a811 |
12 | 1317ab6098b |
13 | 749a774869 |
14 | 3acdbb6215 |
15 | 2072632898 |
hex | 122fbb8f7b |
78110232443 has 2 divisors, whose sum is σ = 78110232444. Its totient is φ = 78110232442.
The previous prime is 78110232437. The next prime is 78110232457. The reversal of 78110232443 is 34423201187.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 78110232443 - 212 = 78110228347 is a prime.
It is a super-2 number, since 2×781102324432 (a number of 23 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (78110232043) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39055116221 + 39055116222.
It is an arithmetic number, because the mean of its divisors is an integer number (39055116222).
Almost surely, 278110232443 is an apocalyptic number.
78110232443 is a deficient number, since it is larger than the sum of its proper divisors (1).
78110232443 is an equidigital number, since it uses as much as digits as its factorization.
78110232443 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 32256, while the sum is 35.
The spelling of 78110232443 in words is "seventy-eight billion, one hundred ten million, two hundred thirty-two thousand, four hundred forty-three".
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