Base | Representation |
---|---|
bin | 111000110100011110… |
… | …1110111100111000000 |
3 | 102122221210102000102202 |
4 | 1301220331313213000 |
5 | 3444344123231222 |
6 | 132015534532332 |
7 | 11546526006620 |
oct | 1615075674700 |
9 | 378853360382 |
10 | 122020133312 |
11 | 47826203190 |
12 | 1b7943670a8 |
13 | b67789071c |
14 | 5c97762880 |
15 | 32924e3892 |
hex | 1c68f779c0 |
122020133312 has 56 divisors (see below), whose sum is σ = 301880991360. Its totient is φ = 47540309760.
The previous prime is 122020133311. The next prime is 122020133341. The reversal of 122020133312 is 213331020221.
It is a tau number, because it is divible by the number of its divisors (56).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122020133311) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12375362 + ... + 12385217.
Almost surely, 2122020133312 is an apocalyptic number.
It is an amenable number.
122020133312 is an abundant number, since it is smaller than the sum of its proper divisors (179860858048).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122020133312 is a wasteful number, since it uses less digits than its factorization.
122020133312 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24760609 (or 24760599 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 20.
Adding to 122020133312 its reverse (213331020221), we get a palindrome (335351153533).
The spelling of 122020133312 in words is "one hundred twenty-two billion, twenty million, one hundred thirty-three thousand, three hundred twelve".
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