Base | Representation |
---|---|
bin | 111000011111011100… |
… | …0010000111100001100 |
3 | 102121010120201210121210 |
4 | 1300332320100330030 |
5 | 3441422342134012 |
6 | 131421512254420 |
7 | 11523163110543 |
oct | 1607670207414 |
9 | 377116653553 |
10 | 121314021132 |
11 | 474a36696a7 |
12 | 1b6179a1410 |
13 | b5944c1275 |
14 | 5c2ba7715a |
15 | 325051523c |
hex | 1c3ee10f0c |
121314021132 has 24 divisors (see below), whose sum is σ = 292826948400. Its totient is φ = 39043592896.
The previous prime is 121314021119. The next prime is 121314021137. The reversal of 121314021132 is 231120413121.
It is a super-2 number, since 2×1213140211322 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 121314021099 and 121314021108.
It is not an unprimeable number, because it can be changed into a prime (121314021137) 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, 174301407 + ... + 174302102.
It is an arithmetic number, because the mean of its divisors is an integer number (12201122850).
Almost surely, 2121314021132 is an apocalyptic number.
121314021132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
121314021132 is an abundant number, since it is smaller than the sum of its proper divisors (171512927268).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121314021132 is a wasteful number, since it uses less digits than its factorization.
121314021132 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 348603545 (or 348603543 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 21.
Adding to 121314021132 its reverse (231120413121), we get a palindrome (352434434253).
The spelling of 121314021132 in words is "one hundred twenty-one billion, three hundred fourteen million, twenty-one thousand, one hundred thirty-two".
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