Base | Representation |
---|---|
bin | 10001110010010001111… |
… | …111110000000000100110 |
3 | 11022211202121210011110122 |
4 | 101302101333300000212 |
5 | 130011101322320402 |
6 | 2333251414521542 |
7 | 154205516415212 |
oct | 21622177600046 |
9 | 4284677704418 |
10 | 1222220120102 |
11 | 431382438213 |
12 | 178a5b0662b2 |
13 | 8b340c19c77 |
14 | 43227607942 |
15 | 21bd57e9ca2 |
hex | 11c91ff0026 |
1222220120102 has 16 divisors (see below), whose sum is σ = 1845694468800. Its totient is φ = 606988897728.
The previous prime is 1222220120087. The next prime is 1222220120123. The reversal of 1222220120102 is 2010210222221.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14254403 + ... + 14339889.
It is an arithmetic number, because the mean of its divisors is an integer number (115355904300).
Almost surely, 21222220120102 is an apocalyptic number.
1222220120102 is a deficient number, since it is larger than the sum of its proper divisors (623474348698).
1222220120102 is a wasteful number, since it uses less digits than its factorization.
1222220120102 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 133615.
The product of its (nonzero) digits is 128, while the sum is 17.
Adding to 1222220120102 its reverse (2010210222221), we get a palindrome (3232430342323).
The spelling of 1222220120102 in words is "one trillion, two hundred twenty-two billion, two hundred twenty million, one hundred twenty thousand, one hundred two".
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