Base | Representation |
---|---|
bin | 10001111010101100… |
… | …001111001011110100 |
3 | 1211122202020012011122 |
4 | 101322230033023310 |
5 | 303400000123233 |
6 | 12500555123112 |
7 | 1250512506401 |
oct | 217254171364 |
9 | 54582205148 |
10 | 19238286068 |
11 | 8182569081 |
12 | 388aa43498 |
13 | 1a7793b431 |
14 | d070852a8 |
15 | 778e57d98 |
hex | 47ab0f2f4 |
19238286068 has 24 divisors (see below), whose sum is σ = 35673664320. Its totient is φ = 9052516800.
The previous prime is 19238286031. The next prime is 19238286071. The reversal of 19238286068 is 86068283291.
It is a super-2 number, since 2×192382860682 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 826721 + ... + 849672.
It is an arithmetic number, because the mean of its divisors is an integer number (1486402680).
Almost surely, 219238286068 is an apocalyptic number.
It is an amenable number.
19238286068 is a deficient number, since it is larger than the sum of its proper divisors (16435378252).
19238286068 is a wasteful number, since it uses less digits than its factorization.
19238286068 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1676567 (or 1676565 counting only the distinct ones).
The product of its (nonzero) digits is 1990656, while the sum is 53.
The spelling of 19238286068 in words is "nineteen billion, two hundred thirty-eight million, two hundred eighty-six thousand, sixty-eight".
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