Base | Representation |
---|---|
bin | 1011110111100101001… |
… | …1100111100001110000 |
3 | 201111022001021120002021 |
4 | 2331321103213201300 |
5 | 11320041023224223 |
6 | 233400355401224 |
7 | 20505540626500 |
oct | 2757123474160 |
9 | 644261246067 |
10 | 203898648688 |
11 | 79522520709 |
12 | 336252b3214 |
13 | 162c5c45ca7 |
14 | 9c23bb1a00 |
15 | 548587965d |
hex | 2f794e7870 |
203898648688 has 60 divisors (see below), whose sum is σ = 459609804072. Its totient is φ = 87374179200.
The previous prime is 203898648661. The next prime is 203898648689. The reversal of 203898648688 is 886846898302.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (203898648689) 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, 10893738 + ... + 10912438.
Almost surely, 2203898648688 is an apocalyptic number.
203898648688 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
203898648688 is an abundant number, since it is smaller than the sum of its proper divisors (255711155384).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
203898648688 is a wasteful number, since it uses less digits than its factorization.
203898648688 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 32630 (or 32617 counting only the distinct ones).
The product of its (nonzero) digits is 254803968, while the sum is 70.
The spelling of 203898648688 in words is "two hundred three billion, eight hundred ninety-eight million, six hundred forty-eight thousand, six hundred eighty-eight".
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