Base | Representation |
---|---|
bin | 11000000110010111… |
… | …00001100000010100 |
3 | 1020101200121102100210 |
4 | 30003023201200110 |
5 | 202444143114411 |
6 | 5535503405420 |
7 | 635423230116 |
oct | 140313414024 |
9 | 36350542323 |
10 | 12938254356 |
11 | 553a341aa5 |
12 | 2610bb3870 |
13 | 12b2663311 |
14 | 8aa4953b6 |
15 | 50ad06ca6 |
hex | 3032e1814 |
12938254356 has 24 divisors (see below), whose sum is σ = 30300667264. Its totient is φ = 4296836160.
The previous prime is 12938254337. The next prime is 12938254361. The reversal of 12938254356 is 65345283921.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1986025 + ... + 1992528.
Almost surely, 212938254356 is an apocalyptic number.
It is an amenable number.
12938254356 is an abundant number, since it is smaller than the sum of its proper divisors (17362412908).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12938254356 is a wasteful number, since it uses less digits than its factorization.
12938254356 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3978831 (or 3978829 counting only the distinct ones).
The product of its digits is 1555200, while the sum is 48.
The spelling of 12938254356 in words is "twelve billion, nine hundred thirty-eight million, two hundred fifty-four thousand, three hundred fifty-six".
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