Base | Representation |
---|---|
bin | 1011101010110100101011… |
… | …0000001111011110101100 |
3 | 1200102120022011102021211100 |
4 | 2322231022300033132230 |
5 | 3140202444244122302 |
6 | 43142100204523100 |
7 | 2462650220046540 |
oct | 272551260173654 |
9 | 50376264367740 |
10 | 12830321473452 |
11 | 40a7343a9336a |
12 | 1532728850490 |
13 | 720b8150a112 |
14 | 324dc2d51a20 |
15 | 173b2d18cd1c |
hex | bab4ac0f7ac |
12830321473452 has 72 divisors (see below), whose sum is σ = 39245689226016. Its totient is φ = 3450170479104.
The previous prime is 12830321473433. The next prime is 12830321473477. The reversal of 12830321473452 is 25437412303821.
12830321473452 is a `hidden beast` number, since 1 + 28 + 3 + 0 + 32 + 147 + 3 + 452 = 666.
It is a super-2 number, since 2×128303214734522 (a number of 27 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 12830321473398 and 12830321473407.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1497465543 + ... + 1497474110.
It is an arithmetic number, because the mean of its divisors is an integer number (545079017028).
Almost surely, 212830321473452 is an apocalyptic number.
12830321473452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
12830321473452 is an abundant number, since it is smaller than the sum of its proper divisors (26415367752564).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12830321473452 is a wasteful number, since it uses less digits than its factorization.
12830321473452 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2994939687 (or 2994939682 counting only the distinct ones).
The product of its (nonzero) digits is 967680, while the sum is 45.
The spelling of 12830321473452 in words is "twelve trillion, eight hundred thirty billion, three hundred twenty-one million, four hundred seventy-three thousand, four hundred fifty-two".
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