Base | Representation |
---|---|
bin | 1011001110111100001… |
… | …01010110111111111011 |
3 | 1100220021110202210202221 |
4 | 11213132011112333323 |
5 | 22310440334124334 |
6 | 453152120504511 |
7 | 36612616114066 |
oct | 5473605267773 |
9 | 1326243683687 |
10 | 385978036219 |
11 | 1397685a2486 |
12 | 6297b31b137 |
13 | 2a52260c259 |
14 | 14977c0d8dd |
15 | a0908c78b4 |
hex | 59de156ffb |
385978036219 has 2 divisors, whose sum is σ = 385978036220. Its totient is φ = 385978036218.
The previous prime is 385978036217. The next prime is 385978036259. The reversal of 385978036219 is 912630879583.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 385978036219 - 21 = 385978036217 is a prime.
It is a super-2 number, since 2×3859780362192 (a number of 24 digits) contains 22 as substring.
Together with 385978036217, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (385978036217) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192989018109 + 192989018110.
It is an arithmetic number, because the mean of its divisors is an integer number (192989018110).
Almost surely, 2385978036219 is an apocalyptic number.
385978036219 is a deficient number, since it is larger than the sum of its proper divisors (1).
385978036219 is an equidigital number, since it uses as much as digits as its factorization.
385978036219 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 19595520, while the sum is 61.
The spelling of 385978036219 in words is "three hundred eighty-five billion, nine hundred seventy-eight million, thirty-six thousand, two hundred nineteen".
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