Base | Representation |
---|---|
bin | 10001110010000101100… |
… | …101111010110101011110 |
3 | 11022211020010012200200121 |
4 | 101302011211322311132 |
5 | 130010140034201420 |
6 | 2333215022345154 |
7 | 154200411542425 |
oct | 21620545726536 |
9 | 4284203180617 |
10 | 1222012022110 |
11 | 431285a24100 |
12 | 178a0142b1ba |
13 | 8b309a88a69 |
14 | 43207b182bc |
15 | 21bc23e12aa |
hex | 11c8597ad5e |
1222012022110 has 96 divisors (see below), whose sum is σ = 2502997096320. Its totient is φ = 428725946880.
The previous prime is 1222012022087. The next prime is 1222012022117. The reversal of 1222012022110 is 112202102221.
It is a happy number.
It is a super-2 number, since 2×12220120221102 (a number of 25 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1222012022117) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 49920834 + ... + 49945306.
It is an arithmetic number, because the mean of its divisors is an integer number (26072886420).
Almost surely, 21222012022110 is an apocalyptic number.
1222012022110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1222012022110 is an abundant number, since it is smaller than the sum of its proper divisors (1280985074210).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1222012022110 is a wasteful number, since it uses less digits than its factorization.
1222012022110 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25954 (or 25943 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 16.
Adding to 1222012022110 its reverse (112202102221), we get a palindrome (1334214124331).
The spelling of 1222012022110 in words is "one trillion, two hundred twenty-two billion, twelve million, twenty-two thousand, one hundred ten".
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