Base | Representation |
---|---|
bin | 10011010100100000111000… |
… | …001010110000111111101001 |
3 | 102010212022001212121120200001 |
4 | 103110200320022300333221 |
5 | 42114142313241032111 |
6 | 500415510123143001 |
7 | 23620031426046262 |
oct | 2324407012607751 |
9 | 363768055546601 |
10 | 84972575330281 |
11 | 250907375a8401 |
12 | 9644307674a61 |
13 | 3854b58277562 |
14 | 16da9a1d51969 |
15 | 9c54e968c1c1 |
hex | 4d48382b0fe9 |
84972575330281 has 2 divisors, whose sum is σ = 84972575330282. Its totient is φ = 84972575330280.
The previous prime is 84972575330273. The next prime is 84972575330303. The reversal of 84972575330281 is 18203357527948.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 43862473265625 + 41110102064656 = 6622875^2 + 6411716^2 .
It is a cyclic number.
It is not a de Polignac number, because 84972575330281 - 23 = 84972575330273 is a prime.
It is a super-2 number, since 2×849725753302812 (a number of 29 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (84972575300281) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42486287665140 + 42486287665141.
It is an arithmetic number, because the mean of its divisors is an integer number (42486287665141).
Almost surely, 284972575330281 is an apocalyptic number.
It is an amenable number.
84972575330281 is a deficient number, since it is larger than the sum of its proper divisors (1).
84972575330281 is an equidigital number, since it uses as much as digits as its factorization.
84972575330281 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 101606400, while the sum is 64.
The spelling of 84972575330281 in words is "eighty-four trillion, nine hundred seventy-two billion, five hundred seventy-five million, three hundred thirty thousand, two hundred eighty-one".
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