Base | Representation |
---|---|
bin | 110001110010010000000… |
… | …000111001010001001101 |
3 | 110010001202000102110000211 |
4 | 301302100000321101031 |
5 | 422023114242340133 |
6 | 11135403210122421 |
7 | 502113530133316 |
oct | 61622000712115 |
9 | 13101660373024 |
10 | 3421210121293 |
11 | 10a9a21a17138 |
12 | 473078420411 |
13 | 1ba807472173 |
14 | bb831d8760d |
15 | 5ded8242bcd |
hex | 31c9003944d |
3421210121293 has 2 divisors, whose sum is σ = 3421210121294. Its totient is φ = 3421210121292.
The previous prime is 3421210121221. The next prime is 3421210121309. The reversal of 3421210121293 is 3921210121243.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 3097082581609 + 324127539684 = 1759853^2 + 569322^2 .
It is an emirp because it is prime and its reverse (3921210121243) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 3421210121293 - 225 = 3421176566861 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (3421210121093) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1710605060646 + 1710605060647.
It is an arithmetic number, because the mean of its divisors is an integer number (1710605060647).
Almost surely, 23421210121293 is an apocalyptic number.
It is an amenable number.
3421210121293 is a deficient number, since it is larger than the sum of its proper divisors (1).
3421210121293 is an equidigital number, since it uses as much as digits as its factorization.
3421210121293 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 5184, while the sum is 31.
The spelling of 3421210121293 in words is "three trillion, four hundred twenty-one billion, two hundred ten million, one hundred twenty-one thousand, two hundred ninety-three".
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