Base | Representation |
---|---|
bin | 111000111010101111… |
… | …1101000110110000000 |
3 | 102200111102220012211110 |
4 | 1301311133220312000 |
5 | 4000311424443240 |
6 | 132052443443320 |
7 | 11554660340454 |
oct | 1616537506600 |
9 | 380442805743 |
10 | 122230312320 |
11 | 47923908846 |
12 | 1b832826540 |
13 | b6ac29cbbc |
14 | 5cb7634664 |
15 | 32a5badc80 |
hex | 1c757e8d80 |
122230312320 has 128 divisors (see below), whose sum is σ = 394946684640. Its totient is φ = 32148209664.
The previous prime is 122230312313. The next prime is 122230312349. The reversal of 122230312320 is 23213032221.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (128).
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 15 ways as a sum of consecutive naturals, for example, 295879 + ... + 576198.
Almost surely, 2122230312320 is an apocalyptic number.
122230312320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
122230312320 is an abundant number, since it is smaller than the sum of its proper divisors (272716372320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122230312320 is an equidigital number, since it uses as much as digits as its factorization.
122230312320 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 872172 (or 872160 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 21.
Adding to 122230312320 its reverse (23213032221), we get a palindrome (145443344541).
The spelling of 122230312320 in words is "one hundred twenty-two billion, two hundred thirty million, three hundred twelve thousand, three hundred twenty".
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