Base | Representation |
---|---|
bin | 110111010100100011… |
… | …0111100000101010001 |
3 | 102100122110120121021112 |
4 | 1232221012330011101 |
5 | 3421301112113312 |
6 | 130324311503105 |
7 | 11404002156551 |
oct | 1565106740521 |
9 | 370573517245 |
10 | 118801285457 |
11 | 46424257148 |
12 | 1b036387a95 |
13 | b283a5301a |
14 | 5a7006d161 |
15 | 3154b20d22 |
hex | 1ba91bc151 |
118801285457 has 2 divisors, whose sum is σ = 118801285458. Its totient is φ = 118801285456.
The previous prime is 118801285391. The next prime is 118801285483. The reversal of 118801285457 is 754582108811.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 96049786561 + 22751498896 = 309919^2 + 150836^2 .
It is an emirp because it is prime and its reverse (754582108811) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-118801285457 is a prime.
It is a super-2 number, since 2×1188012854572 (a number of 23 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (118801885457) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59400642728 + 59400642729.
It is an arithmetic number, because the mean of its divisors is an integer number (59400642729).
Almost surely, 2118801285457 is an apocalyptic number.
It is an amenable number.
118801285457 is a deficient number, since it is larger than the sum of its proper divisors (1).
118801285457 is an equidigital number, since it uses as much as digits as its factorization.
118801285457 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 716800, while the sum is 50.
The spelling of 118801285457 in words is "one hundred eighteen billion, eight hundred one million, two hundred eighty-five thousand, four hundred fifty-seven".
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