Base | Representation |
---|---|
bin | 10001110000010011110… |
… | …000100001111010110100 |
3 | 11022122022000112201122212 |
4 | 101300103300201322310 |
5 | 124442232130413022 |
6 | 2332301320312552 |
7 | 154102161410042 |
oct | 21602360417264 |
9 | 4278260481585 |
10 | 1220102201012 |
11 | 430495980262 |
12 | 178569912758 |
13 | 8b0941c6bc6 |
14 | 430a6215392 |
15 | 21b0e8e33e2 |
hex | 11c13c21eb4 |
1220102201012 has 12 divisors (see below), whose sum is σ = 2156319237156. Its totient is φ = 604010990400.
The previous prime is 1220102200979. The next prime is 1220102201041. The reversal of 1220102201012 is 2101022010221.
It can be written as a sum of positive squares in 2 ways, for example, as 967008689956 + 253093511056 = 983366^2 + 503084^2 .
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1510027073 + ... + 1510027880.
It is an arithmetic number, because the mean of its divisors is an integer number (179693269763).
Almost surely, 21220102201012 is an apocalyptic number.
It is an amenable number.
1220102201012 is a deficient number, since it is larger than the sum of its proper divisors (936217036144).
1220102201012 is a wasteful number, since it uses less digits than its factorization.
1220102201012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3020055058 (or 3020055056 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 14.
Adding to 1220102201012 its reverse (2101022010221), we get a palindrome (3321124211233).
The spelling of 1220102201012 in words is "one trillion, two hundred twenty billion, one hundred two million, two hundred one thousand, twelve".
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