Base | Representation |
---|---|
bin | 1001100000111101110… |
… | …1001100011110100001 |
3 | 120121221101000021222101 |
4 | 2120033131030132201 |
5 | 10134240311200034 |
6 | 203032440010401 |
7 | 14544614441605 |
oct | 2301735143641 |
9 | 517841007871 |
10 | 163468068769 |
11 | 633655105a5 |
12 | 27821160a01 |
13 | 12551906215 |
14 | 7caa35d505 |
15 | 43bb18d514 |
hex | 260f74c7a1 |
163468068769 has 2 divisors, whose sum is σ = 163468068770. Its totient is φ = 163468068768.
The previous prime is 163468068739. The next prime is 163468068793. The reversal of 163468068769 is 967860864361.
163468068769 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 162473486400 + 994582369 = 403080^2 + 31537^2 .
It is an emirp because it is prime and its reverse (967860864361) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 163468068769 - 215 = 163468036001 is a prime.
It is a super-2 number, since 2×1634680687692 (a number of 23 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 163468068769.
It is not a weakly prime, because it can be changed into another prime (163468068739) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81734034384 + 81734034385.
It is an arithmetic number, because the mean of its divisors is an integer number (81734034385).
Almost surely, 2163468068769 is an apocalyptic number.
It is an amenable number.
163468068769 is a deficient number, since it is larger than the sum of its proper divisors (1).
163468068769 is an equidigital number, since it uses as much as digits as its factorization.
163468068769 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 62705664, while the sum is 64.
The spelling of 163468068769 in words is "one hundred sixty-three billion, four hundred sixty-eight million, sixty-eight thousand, seven hundred sixty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •