Base | Representation |
---|---|
bin | 10010011110100111… |
… | …101111111100000110 |
3 | 1220012202111202201202 |
4 | 102132213233330012 |
5 | 311113304324121 |
6 | 13040451222502 |
7 | 1301452322234 |
oct | 223647577406 |
9 | 56182452652 |
10 | 19841089286 |
11 | 8461861057 |
12 | 3a188a7a32 |
13 | 1b427a8c25 |
14 | d6315b954 |
15 | 7b1d2b40b |
hex | 49e9eff06 |
19841089286 has 4 divisors (see below), whose sum is σ = 29761633932. Its totient is φ = 9920544642.
The previous prime is 19841089271. The next prime is 19841089313. The reversal of 19841089286 is 68298014891.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 68298014891 = 47 ⋅1453149253.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4960272320 + ... + 4960272323.
It is an arithmetic number, because the mean of its divisors is an integer number (7440408483).
Almost surely, 219841089286 is an apocalyptic number.
19841089286 is a deficient number, since it is larger than the sum of its proper divisors (9920544646).
19841089286 is an equidigital number, since it uses as much as digits as its factorization.
19841089286 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9920544645.
The product of its (nonzero) digits is 1990656, while the sum is 56.
The spelling of 19841089286 in words is "nineteen billion, eight hundred forty-one million, eighty-nine thousand, two hundred eighty-six".
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