Base | Representation |
---|---|
bin | 10001101000110111011… |
… | …000101101001111001110 |
3 | 11021212200000210220110210 |
4 | 101220313120231033032 |
5 | 124324400130013402 |
6 | 2324500255543250 |
7 | 153400134004500 |
oct | 21506730551716 |
9 | 4255600726423 |
10 | 1212110001102 |
11 | 428064550170 |
12 | 176ab922ab26 |
13 | 8a3bc485230 |
14 | 429489bbd70 |
15 | 217e2e3906c |
hex | 11a3762d3ce |
1212110001102 has 192 divisors, whose sum is σ = 3322289779200. Its totient is φ = 289802661120.
The previous prime is 1212110001097. The next prime is 1212110001187. The reversal of 1212110001102 is 2011000112121.
It is a super-4 number, since 4×12121100011024 (a number of 49 digits) contains 4444 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 15052924 + ... + 15133232.
It is an arithmetic number, because the mean of its divisors is an integer number (17303592600).
Almost surely, 21212110001102 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1212110001102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1661144889600).
1212110001102 is an abundant number, since it is smaller than the sum of its proper divisors (2110179778098).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1212110001102 is a wasteful number, since it uses less digits than its factorization.
1212110001102 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 80711 (or 80704 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 12.
Adding to 1212110001102 its reverse (2011000112121), we get a palindrome (3223110113223).
The spelling of 1212110001102 in words is "one trillion, two hundred twelve billion, one hundred ten million, one thousand, one hundred two".
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