Base | Representation |
---|---|
bin | 1001011101110110011111001… |
… | …0110001011011001000010000 |
3 | 10020100121102100212011110202100 |
4 | 2113131213302301123020100 |
5 | 1144303021440113001120 |
6 | 10320432435121320400 |
7 | 260212033310124255 |
oct | 22735476261331020 |
9 | 3210542325143670 |
10 | 666140615750160 |
11 | 183286715382871 |
12 | 62866620496100 |
13 | 22790a37a2b6a5 |
14 | ba6d540aa942c |
15 | 5202ca5a09490 |
hex | 25dd9f2c5b210 |
666140615750160 has 240 divisors, whose sum is σ = 2326668359408640. Its totient is φ = 170648679951360.
The previous prime is 666140615750149. The next prime is 666140615750161. The reversal of 666140615750160 is 61057516041666.
666140615750160 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (240).
It is a junction number, because it is equal to n+sod(n) for n = 666140615750097 and 666140615750106.
It is not an unprimeable number, because it can be changed into a prime (666140615750161) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 156156696 + ... + 160365815.
It is an arithmetic number, because the mean of its divisors is an integer number (9694451497536).
Almost surely, 2666140615750160 is an apocalyptic number.
666140615750160 is a gapful number since it is divisible by the number (60) formed by its first and last digit.
It is an amenable number.
666140615750160 is an abundant number, since it is smaller than the sum of its proper divisors (1660527743658480).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
666140615750160 is a wasteful number, since it uses less digits than its factorization.
666140615750160 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 316522646 (or 316522637 counting only the distinct ones).
The product of its (nonzero) digits is 5443200, while the sum is 54.
The spelling of 666140615750160 in words is "six hundred sixty-six trillion, one hundred forty billion, six hundred fifteen million, seven hundred fifty thousand, one hundred sixty".
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