Base | Representation |
---|---|
bin | 111000110111100001… |
… | …1001110110000000000 |
3 | 102200012220110122111200 |
4 | 1301233003032300000 |
5 | 4000101240431422 |
6 | 132034022341200 |
7 | 11552205406401 |
oct | 1615703166000 |
9 | 380186418450 |
10 | 122122202112 |
11 | 47878887a69 |
12 | 1b80258a800 |
13 | b692a79a71 |
14 | 5ca71319a8 |
15 | 329b4562ac |
hex | 1c6f0cec00 |
122122202112 has 66 divisors (see below), whose sum is σ = 352625234988. Its totient is φ = 40707397632.
The previous prime is 122122202107. The next prime is 122122202117. The reversal of 122122202112 is 211202221221.
It is a happy number.
122122202112 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (122122202107) and next prime (122122202117).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (122122202117) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6616338 + ... + 6634769.
Almost surely, 2122122202112 is an apocalyptic number.
122122202112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
122122202112 is an abundant number, since it is smaller than the sum of its proper divisors (230503032876).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122122202112 is a wasteful number, since it uses less digits than its factorization.
122122202112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13251133 (or 13251112 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 18.
Adding to 122122202112 its reverse (211202221221), we get a palindrome (333324423333).
The spelling of 122122202112 in words is "one hundred twenty-two billion, one hundred twenty-two million, two hundred two thousand, one hundred twelve".
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