Base | Representation |
---|---|
bin | 10001110010010001011… |
… | …001001001010010001010 |
3 | 11022211201220202000022102 |
4 | 101302101121021102022 |
5 | 130011041230000020 |
6 | 2333250413553402 |
7 | 154205334405446 |
oct | 21622131112212 |
9 | 4284656660272 |
10 | 1222210000010 |
11 | 4313777558aa |
12 | 178a577a5862 |
13 | 8b33bab584c |
14 | 43226131826 |
15 | 21bd499b475 |
hex | 11c9164948a |
1222210000010 has 8 divisors (see below), whose sum is σ = 2199978000036. Its totient is φ = 488884000000.
The previous prime is 1222210000001. The next prime is 1222210000013. The reversal of 1222210000010 is 100000122221.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 1194275223241 + 27934776769 = 1092829^2 + 167137^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 1222209999946 and 1222210000000.
It is not an unprimeable number, because it can be changed into a prime (1222210000013) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61110499991 + ... + 61110500010.
Almost surely, 21222210000010 is an apocalyptic number.
1222210000010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1222210000010 is a deficient number, since it is larger than the sum of its proper divisors (977768000026).
1222210000010 is a wasteful number, since it uses less digits than its factorization.
1222210000010 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 122221000008.
The product of its (nonzero) digits is 16, while the sum is 11.
Adding to 1222210000010 its reverse (100000122221), we get a palindrome (1322210122231).
The spelling of 1222210000010 in words is "one trillion, two hundred twenty-two billion, two hundred ten million, ten", and thus it is an aban number.
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