Base | Representation |
---|---|
bin | 1000011110111011100011… |
… | …11000000000000000000001 |
3 | 2110001101200210010022221201 |
4 | 10033131301320000000001 |
5 | 4421120321042101001 |
6 | 103401544535021201 |
7 | 3633530065124620 |
oct | 417356170000001 |
9 | 73041623108851 |
10 | 18654953472001 |
11 | 5a425809a0710 |
12 | 211355620a801 |
13 | a54201767502 |
14 | 486c941b16b7 |
15 | 2253d13d1501 |
hex | 10f771e00001 |
18654953472001 has 16 divisors (see below), whose sum is σ = 23258413284480. Its totient is φ = 14536146458880.
The previous prime is 18654953471989. The next prime is 18654953472031. The reversal of 18654953472001 is 10027435945681.
It is a cyclic number.
It is not a de Polignac number, because 18654953472001 - 221 = 18654951374849 is a prime.
It is not an unprimeable number, because it can be changed into a prime (18654953472031) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4894515 + ... + 7827271.
It is an arithmetic number, because the mean of its divisors is an integer number (1453650830280).
It is a 1-persistent number, because it is pandigital, but 2⋅18654953472001 = 37309906944002 is not.
Almost surely, 218654953472001 is an apocalyptic number.
18654953472001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
18654953472001 is a deficient number, since it is larger than the sum of its proper divisors (4603459812479).
18654953472001 is a wasteful number, since it uses less digits than its factorization.
18654953472001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3015384.
The product of its (nonzero) digits is 7257600, while the sum is 55.
The spelling of 18654953472001 in words is "eighteen trillion, six hundred fifty-four billion, nine hundred fifty-three million, four hundred seventy-two thousand, one".
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