| Base | Representation |
|---|---|
| bin | 1100010101100010… |
| … | …10100111100000000 |
| 3 | 122002120122002011001 |
| 4 | 12022301110330000 |
| 5 | 102031011411140 |
| 6 | 3013113101344 |
| 7 | 323061610435 |
| oct | 61261247400 |
| 9 | 18076562131 |
| 10 | 6623153920 |
| 11 | 2899663629 |
| 12 | 134a0b7854 |
| 13 | 8172104b6 |
| 14 | 46b8a1b8c |
| 15 | 28b6cae9a |
| hex | 18ac54f00 |
6623153920 has 144 divisors (see below), whose sum is σ = 16455589920. Its totient is φ = 2552020992.
The previous prime is 6623153909. The next prime is 6623153921. The reversal of 6623153920 is 293513266.
It is a super-3 number, since 3×66231539203 (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Harshad number since it is a multiple of its sum of digits (37).
It is a self number, because there is not a number n which added to its sum of digits gives 6623153920.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6623153921) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5161599 + ... + 5162881.
It is an arithmetic number, because the mean of its divisors is an integer number (114274930).
Almost surely, 26623153920 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 6623153920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8227794960).
6623153920 is an abundant number, since it is smaller than the sum of its proper divisors (9832436000).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6623153920 is a wasteful number, since it uses less digits than its factorization.
6623153920 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1450 (or 1436 counting only the distinct ones).
The product of its (nonzero) digits is 58320, while the sum is 37.
The square root of 6623153920 is about 81382.7618110863. The cubic root of 6623153920 is about 1877.9684104891.
The spelling of 6623153920 in words is "six billion, six hundred twenty-three million, one hundred fifty-three thousand, nine hundred twenty".
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