Base | Representation |
---|---|
bin | 10001011111100011010… |
… | …110001100100011101110 |
3 | 11020220212010021102111100 |
4 | 101133203112030203232 |
5 | 124143410142402342 |
6 | 2320124115503530 |
7 | 152564260305612 |
oct | 21374326144356 |
9 | 4226763242440 |
10 | 1202110122222 |
11 | 4238a2909159 |
12 | 174b882b7ba6 |
13 | 8948780ac39 |
14 | 4227a88b342 |
15 | 2140a0a1e4c |
hex | 117e358c8ee |
1202110122222 has 48 divisors (see below), whose sum is σ = 2702680725888. Its totient is φ = 385872212880.
The previous prime is 1202110122211. The next prime is 1202110122229. The reversal of 1202110122222 is 2222210112021.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 1202110122195 and 1202110122204.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1202110122229) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10882468 + ... + 10992375.
It is an arithmetic number, because the mean of its divisors is an integer number (56305848456).
Almost surely, 21202110122222 is an apocalyptic number.
1202110122222 is an abundant number, since it is smaller than the sum of its proper divisors (1500570603666).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1202110122222 is a wasteful number, since it uses less digits than its factorization.
1202110122222 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21874965 (or 21874962 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 18.
Adding to 1202110122222 its reverse (2222210112021), we get a palindrome (3424320234243).
The spelling of 1202110122222 in words is "one trillion, two hundred two billion, one hundred ten million, one hundred twenty-two thousand, two hundred twenty-two".
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