Base | Representation |
---|---|
bin | 10001100111000110110… |
… | …110101000011000001100 |
3 | 11021200210110020112102210 |
4 | 101213012312220120030 |
5 | 124312013314120413 |
6 | 2323545053550420 |
7 | 153302300303643 |
oct | 21470666503014 |
9 | 4250713215383 |
10 | 1210222020108 |
11 | 4272858640a2 |
12 | 176670aa5410 |
13 | 8a17b29c20a |
14 | 42809d6235a |
15 | 217323023c3 |
hex | 119c6da860c |
1210222020108 has 12 divisors (see below), whose sum is σ = 2823851380280. Its totient is φ = 403407340032.
The previous prime is 1210222020107. The next prime is 1210222020131. The reversal of 1210222020108 is 8010202220121.
It is a tau number, because it is divible by the number of its divisors (12).
It is not an unprimeable number, because it can be changed into a prime (1210222020107) 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, 50425917493 + ... + 50425917516.
Almost surely, 21210222020108 is an apocalyptic number.
It is an amenable number.
1210222020108 is an abundant number, since it is smaller than the sum of its proper divisors (1613629360172).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1210222020108 is a wasteful number, since it uses less digits than its factorization.
1210222020108 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 100851835016 (or 100851835014 counting only the distinct ones).
The product of its (nonzero) digits is 256, while the sum is 21.
Adding to 1210222020108 its reverse (8010202220121), we get a palindrome (9220424240229).
The spelling of 1210222020108 in words is "one trillion, two hundred ten billion, two hundred twenty-two million, twenty thousand, one hundred eight".
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