Base | Representation |
---|---|
bin | 1100001110000110100… |
… | …00011111110001101011 |
3 | 1111010210200210200100102 |
4 | 12013003100133301223 |
5 | 23334412223144131 |
6 | 520521014500015 |
7 | 42223131432521 |
oct | 6070320376153 |
9 | 1433720720312 |
10 | 419887709291 |
11 | 152089735786 |
12 | 6946366460b |
13 | 3079798b06b |
14 | 164735b8311 |
15 | adc78831cb |
hex | 61c341fc6b |
419887709291 has 2 divisors, whose sum is σ = 419887709292. Its totient is φ = 419887709290.
The previous prime is 419887709231. The next prime is 419887709321. The reversal of 419887709291 is 192907788914.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 419887709291 - 214 = 419887692907 is a prime.
It is not a weakly prime, because it can be changed into another prime (419887709201) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 209943854645 + 209943854646.
It is an arithmetic number, because the mean of its divisors is an integer number (209943854646).
Almost surely, 2419887709291 is an apocalyptic number.
419887709291 is a deficient number, since it is larger than the sum of its proper divisors (1).
419887709291 is an equidigital number, since it uses as much as digits as its factorization.
419887709291 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 18289152, while the sum is 65.
The spelling of 419887709291 in words is "four hundred nineteen billion, eight hundred eighty-seven million, seven hundred nine thousand, two hundred ninety-one".
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