Base | Representation |
---|---|
bin | 1001110000110111000110… |
… | …11001011111000011100001 |
3 | 2211000111222111211002201121 |
4 | 10320123203121133003201 |
5 | 10303231141240413431 |
6 | 113355113221132241 |
7 | 4344106066635364 |
oct | 470334331370341 |
9 | 84014874732647 |
10 | 21470061654241 |
11 | 6928447098112 |
12 | 24a906025a081 |
13 | bc9806041145 |
14 | 54322972c0db |
15 | 273743c34611 |
hex | 1386e365f0e1 |
21470061654241 has 8 divisors (see below), whose sum is σ = 21492242530304. Its totient is φ = 21447889819200.
The previous prime is 21470061654161. The next prime is 21470061654253. The reversal of 21470061654241 is 14245616007412.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 21470061654241 - 27 = 21470061654113 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (21470061657241) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2496841 + ... + 7012441.
It is an arithmetic number, because the mean of its divisors is an integer number (2686530316288).
Almost surely, 221470061654241 is an apocalyptic number.
It is an amenable number.
21470061654241 is a deficient number, since it is larger than the sum of its proper divisors (22180876063).
21470061654241 is a wasteful number, since it uses less digits than its factorization.
21470061654241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4520511.
The product of its (nonzero) digits is 322560, while the sum is 43.
The spelling of 21470061654241 in words is "twenty-one trillion, four hundred seventy billion, sixty-one million, six hundred fifty-four thousand, two hundred forty-one".
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