| Base | Representation |
|---|---|
| bin | 10011010110011000111… |
| … | …10101001110110000000 |
| 3 | 2100120002221000102112000 |
| 4 | 21223030132221312000 |
| 5 | 41343111010120420 |
| 6 | 1225232545504000 |
| 7 | 66014511641100 |
| oct | 11531436516600 |
| 9 | 2316087012460 |
| 10 | 664855551360 |
| 11 | 236a66698220 |
| 12 | a8a2a942000 |
| 13 | 4a90733c0c0 |
| 14 | 24271957200 |
| 15 | 124639e2690 |
| hex | 9acc7a9d80 |
664855551360 has 4608 divisors, whose sum is σ = 3598354368000. Its totient is φ = 113706270720.
The previous prime is 664855551359. The next prime is 664855551361. The reversal of 664855551360 is 63155558466.
664855551360 is a `hidden beast` number, since 6 + 6 + 4 + 8 + 55 + 551 + 36 + 0 = 666.
It is an interprime number because it is at equal distance from previous prime (664855551359) and next prime (664855551361).
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a junction number, because it is equal to n+sod(n) for n = 664855551297 and 664855551306.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (664855551361) 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 in 575 ways as a sum of consecutive naturals, for example, 34992397431 + ... + 34992397449.
It is an arithmetic number, because the mean of its divisors is an integer number (780892875).
Almost surely, 2664855551360 is an apocalyptic number.
664855551360 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 664855551360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1799177184000).
664855551360 is an abundant number, since it is smaller than the sum of its proper divisors (2933498816640).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
664855551360 is a wasteful number, since it uses less digits than its factorization.
664855551360 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 119 (or 77 counting only the distinct ones).
The product of its (nonzero) digits is 12960000, while the sum is 54.
The spelling of 664855551360 in words is "six hundred sixty-four billion, eight hundred fifty-five million, five hundred fifty-one thousand, three hundred sixty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •