Base | Representation |
---|---|
bin | 111000111010110001… |
… | …0010000101111000000 |
3 | 102200111111012011011002 |
4 | 1301311202100233000 |
5 | 4000312114000000 |
6 | 132052510311132 |
7 | 11554666233404 |
oct | 1616542205700 |
9 | 380444164132 |
10 | 122231000000 |
11 | 4792423847a |
12 | 1b832ab84a8 |
13 | b6ac480c05 |
14 | 5cb7773104 |
15 | 32a5c978d5 |
hex | 1c75890bc0 |
122231000000 has 98 divisors (see below), whose sum is σ = 303188775384. Its totient is φ = 48892000000.
The previous prime is 122230999993. The next prime is 122231000011. The reversal of 122231000000 is 132221.
It is a happy number.
It is a super-2 number, since 2×1222310000002 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 938885 + ... + 1061115.
Almost surely, 2122231000000 is an apocalyptic number.
122231000000 is a gapful number since it is divisible by the number (10) 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 122231000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151594387692).
122231000000 is an abundant number, since it is smaller than the sum of its proper divisors (180957775384).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122231000000 is an frugal number, since it uses more digits than its factorization.
122231000000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 122273 (or 122238 counting only the distinct ones).
The product of its (nonzero) digits is 24, while the sum is 11.
Adding to 122231000000 its reverse (132221), we get a palindrome (122231132221).
The spelling of 122231000000 in words is "one hundred twenty-two billion, two hundred thirty-one million", and thus it is an aban number.
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