Base | Representation |
---|---|
bin | 101000111111111100101011… |
… | …011100111000001011100001 |
3 | 212122110001222211112021220001 |
4 | 220333330223130320023201 |
5 | 142113300331242302101 |
6 | 1435300103344220001 |
7 | 52660266011236555 |
oct | 5077745334701341 |
9 | 778401884467801 |
10 | 180316340978401 |
11 | 524aa804710541 |
12 | 1828262190a601 |
13 | 797c9b1407a44 |
14 | 3275500c79865 |
15 | 15ca6962b3901 |
hex | a3ff2b7382e1 |
180316340978401 has 2 divisors, whose sum is σ = 180316340978402. Its totient is φ = 180316340978400.
The previous prime is 180316340978387. The next prime is 180316340978447. The reversal of 180316340978401 is 104879043613081.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 167635192654801 + 12681148323600 = 12947401^2 + 3561060^2 .
It is a cyclic number.
It is not a de Polignac number, because 180316340978401 - 213 = 180316340970209 is a prime.
It is not a weakly prime, because it can be changed into another prime (180316340975401) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90158170489200 + 90158170489201.
It is an arithmetic number, because the mean of its divisors is an integer number (90158170489201).
Almost surely, 2180316340978401 is an apocalyptic number.
It is an amenable number.
180316340978401 is a deficient number, since it is larger than the sum of its proper divisors (1).
180316340978401 is an equidigital number, since it uses as much as digits as its factorization.
180316340978401 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 3483648, while the sum is 55.
The spelling of 180316340978401 in words is "one hundred eighty trillion, three hundred sixteen billion, three hundred forty million, nine hundred seventy-eight thousand, four hundred one".
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