Base | Representation |
---|---|
bin | 111000110110111101… |
… | …0100001011101010110 |
3 | 102200011120121022021010 |
4 | 1301231322201131112 |
5 | 4000031401022410 |
6 | 132032102033050 |
7 | 11551554404256 |
oct | 1615572413526 |
9 | 380146538233 |
10 | 122103142230 |
11 | 47869049aa3 |
12 | 1b7b8118786 |
13 | b68bb35524 |
14 | 5ca47ad966 |
15 | 329993dc20 |
hex | 1c6dea1756 |
122103142230 has 128 divisors (see below), whose sum is σ = 311135385600. Its totient is φ = 30581743104.
The previous prime is 122103142207. The next prime is 122103142241. The reversal of 122103142230 is 32241301221.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 122103142197 and 122103142206.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 39146611 + ... + 39149729.
It is an arithmetic number, because the mean of its divisors is an integer number (2430745200).
Almost surely, 2122103142230 is an apocalyptic number.
122103142230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 122103142230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155567692800).
122103142230 is an abundant number, since it is smaller than the sum of its proper divisors (189032243370).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122103142230 is a wasteful number, since it uses less digits than its factorization.
122103142230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3718.
The product of its (nonzero) digits is 576, while the sum is 21.
Adding to 122103142230 its reverse (32241301221), we get a palindrome (154344443451).
The spelling of 122103142230 in words is "one hundred twenty-two billion, one hundred three million, one hundred forty-two thousand, two hundred thirty".
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