| Base | Representation |
|---|---|
| bin | 110100010001100111101010… |
| … | …011010011010110010000000 |
| 3 | 1010011001002221001001220202200 |
| 4 | 310101213222122122302000 |
| 5 | 220113313104204302233 |
| 6 | 2132550502342313200 |
| 7 | 66266252136543030 |
| oct | 6421475232326200 |
| 9 | 1104032831056680 |
| 10 | 229909237181568 |
| 11 | 6728aa6173855a |
| 12 | 21951b4a428800 |
| 13 | 9b3946a8439b9 |
| 14 | 40ab948a658c0 |
| 15 | 1b8a700a5b313 |
| hex | d119ea69ac80 |
229909237181568 has 384 divisors, whose sum is σ = 762563696544000. Its totient is φ = 65128018968576.
The previous prime is 229909237181563. The next prime is 229909237181581. The reversal of 229909237181568 is 865181732909922.
229909237181568 is a `hidden beast` number, since 2 + 2 + 9 + 90 + 92 + 371 + 81 + 5 + 6 + 8 = 666.
It is a tau number, because it is divible by the number of its divisors (384).
It is a Harshad number since it is a multiple of its sum of digits (72).
It is a junction number, because it is equal to n+sod(n) for n = 229909237181496 and 229909237181505.
It is not an unprimeable number, because it can be changed into a prime (229909237181563) 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, 893628693 + ... + 893885931.
It is an arithmetic number, because the mean of its divisors is an integer number (1985842959750).
Almost surely, 2229909237181568 is an apocalyptic number.
229909237181568 is a gapful number since it is divisible by the number (28) 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 229909237181568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (381281848272000).
229909237181568 is an abundant number, since it is smaller than the sum of its proper divisors (532654459362432).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
229909237181568 is a wasteful number, since it uses less digits than its factorization.
229909237181568 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 258212 (or 258197 counting only the distinct ones).
The product of its (nonzero) digits is 235146240, while the sum is 72.
The spelling of 229909237181568 in words is "two hundred twenty-nine trillion, nine hundred nine billion, two hundred thirty-seven million, one hundred eighty-one thousand, five hundred sixty-eight".
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