| Base | Representation |
|---|---|
| bin | 1111101111111… |
| … | …1111011100000 |
| 3 | 11121022012021200 |
| 4 | 3323333323200 |
| 5 | 113402410000 |
| 6 | 10315521200 |
| 7 | 1431333516 |
| oct | 373777340 |
| 9 | 147265250 |
| 10 | 66060000 |
| 11 | 3431a946 |
| 12 | 1a159200 |
| 13 | 108bc376 |
| 14 | 8ab84b6 |
| 15 | 5bed500 |
| hex | 3effee0 |
66060000 has 180 divisors, whose sum is σ = 235387152. Its totient is φ = 17568000.
The previous prime is 66059969. The next prime is 66060031. The reversal of 66060000 is 6066.
66060000 is a `hidden beast` number, since 6 + 60 + 600 + 0 + 0 = 666.
It is an interprime number because it is at equal distance from previous prime (66059969) and next prime (66060031).
It is a tau number, because it is divible by the number of its divisors (180).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.
It is a congruent number.
It is an unprimeable number.
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 in 29 ways as a sum of consecutive naturals, for example, 179817 + ... + 180183.
Almost surely, 266060000 is an apocalyptic number.
66060000 is a gapful number since it is divisible by the number (60) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 66060000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117693576).
66060000 is an abundant number, since it is smaller than the sum of its proper divisors (169327152).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
66060000 is a wasteful number, since it uses less digits than its factorization.
66060000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 403 (or 377 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
The square root of 66060000 is about 8127.7303104864. The cubic root of 66060000 is about 404.2464267901.
Adding to 66060000 its reverse (6066), we get a palindrome (66066066).
The spelling of 66060000 in words is "sixty-six million, sixty thousand", and thus it is an eban number.
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