Base | Representation |
---|---|
bin | 10001110010000110101… |
… | …110010110101000010000 |
3 | 11022211021102221101121122 |
4 | 101302012232112220100 |
5 | 130010204414312240 |
6 | 2333220541341412 |
7 | 154201032125561 |
oct | 21620656265020 |
9 | 4284242841548 |
10 | 1222031010320 |
11 | 43129571323a |
12 | 178a07867868 |
13 | 8b3109a67a3 |
14 | 4320a45c168 |
15 | 21bc3de24b5 |
hex | 11c86b96a10 |
1222031010320 has 80 divisors (see below), whose sum is σ = 2858898768768. Its totient is φ = 485772625920.
The previous prime is 1222031010313. The next prime is 1222031010379. The reversal of 1222031010320 is 230101302221.
It is a tau number, because it is divible by the number of its divisors (80).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80299352 + ... + 80314568.
Almost surely, 21222031010320 is an apocalyptic number.
1222031010320 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 1222031010320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1429449384384).
1222031010320 is an abundant number, since it is smaller than the sum of its proper divisors (1636867758448).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1222031010320 is a wasteful number, since it uses less digits than its factorization.
1222031010320 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21408 (or 21402 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 17.
Adding to 1222031010320 its reverse (230101302221), we get a palindrome (1452132312541).
The spelling of 1222031010320 in words is "one trillion, two hundred twenty-two billion, thirty-one million, ten thousand, three hundred twenty".
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