Base | Representation |
---|---|
bin | 110010011010010001101111… |
… | …101101111101000100110101 |
3 | 1002002000002022201111201021220 |
4 | 302122101233231331010311 |
5 | 213024431130022342031 |
6 | 2103311142205300553 |
7 | 64461611025056022 |
oct | 6232215755750465 |
9 | 1062002281451256 |
10 | 221708086137141 |
11 | 6470896478543a |
12 | 20a48619564759 |
13 | 9692ca131a0c6 |
14 | 3ca6a2b4ba549 |
15 | 1a972095a6596 |
hex | c9a46fb7d135 |
221708086137141 has 8 divisors (see below), whose sum is σ = 295740378536064. Its totient is φ = 147740592248160.
The previous prime is 221708086137119. The next prime is 221708086137151. The reversal of 221708086137141 is 141731680807122.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 221708086137141 - 230 = 221707012395317 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (221708086137101) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16199619501 + ... + 16199633186.
It is an arithmetic number, because the mean of its divisors is an integer number (36967547317008).
Almost surely, 2221708086137141 is an apocalyptic number.
It is an amenable number.
221708086137141 is a deficient number, since it is larger than the sum of its proper divisors (74032292398923).
221708086137141 is a wasteful number, since it uses less digits than its factorization.
221708086137141 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 32399254971.
The product of its (nonzero) digits is 903168, while the sum is 51.
The spelling of 221708086137141 in words is "two hundred twenty-one trillion, seven hundred eight billion, eighty-six million, one hundred thirty-seven thousand, one hundred forty-one".
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