Base | Representation |
---|---|
bin | 11011101111111110000… |
… | …101101011001111001000 |
3 | 20202022010110122101001100 |
4 | 123233332011223033020 |
5 | 222220344423202213 |
6 | 4020011053021400 |
7 | 254525405365044 |
oct | 33577605531710 |
9 | 6668113571040 |
10 | 1906933412808 |
11 | 6757a921a416 |
12 | 2696b0184860 |
13 | 10aa91315578 |
14 | 684205b5024 |
15 | 3490c807773 |
hex | 1bbfe16b3c8 |
1906933412808 has 48 divisors (see below), whose sum is σ = 5172085573200. Its totient is φ = 634724563680.
The previous prime is 1906933412807. The next prime is 1906933412851. The reversal of 1906933412808 is 8082143396091.
1906933412808 is a `hidden beast` number, since 1 + 90 + 69 + 3 + 3 + 412 + 80 + 8 = 666.
It is a super-2 number, since 2×19069334128082 (a number of 25 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (1906933412807) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19114638 + ... + 19214141.
It is an arithmetic number, because the mean of its divisors is an integer number (107751782775).
Almost surely, 21906933412808 is an apocalyptic number.
1906933412808 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
1906933412808 is an abundant number, since it is smaller than the sum of its proper divisors (3265152160392).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1906933412808 is a wasteful number, since it uses less digits than its factorization.
1906933412808 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 38329482 (or 38329475 counting only the distinct ones).
The product of its (nonzero) digits is 2239488, while the sum is 54.
The spelling of 1906933412808 in words is "one trillion, nine hundred six billion, nine hundred thirty-three million, four hundred twelve thousand, eight hundred eight".
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