Base | Representation |
---|---|
bin | 10000101000011010… |
… | …01111011101101001 |
3 | 212001021101122220100 |
4 | 20110031033131221 |
5 | 121241302400441 |
6 | 4034002220013 |
7 | 434160552360 |
oct | 102415173551 |
9 | 25037348810 |
10 | 8928950121 |
11 | 3872183423 |
12 | 1892354609 |
13 | ac3b34950 |
14 | 609bdc7d7 |
15 | 373d44cb6 |
hex | 21434f769 |
8928950121 has 48 divisors (see below), whose sum is σ = 16173271296. Its totient is φ = 4620889728.
The previous prime is 8928950071. The next prime is 8928950141. The reversal of 8928950121 is 1210598298.
8928950121 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 8928950121 - 214 = 8928933737 is a prime.
It is not an unprimeable number, because it can be changed into a prime (8928950141) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 59445 + ... + 146258.
It is an arithmetic number, because the mean of its divisors is an integer number (336943152).
Almost surely, 28928950121 is an apocalyptic number.
It is an amenable number.
8928950121 is a deficient number, since it is larger than the sum of its proper divisors (7244321175).
8928950121 is a wasteful number, since it uses less digits than its factorization.
8928950121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 205782 (or 205779 counting only the distinct ones).
The product of its (nonzero) digits is 103680, while the sum is 45.
The square root of 8928950121 is about 94493.1220830384. The cubic root of 8928950121 is about 2074.5956629100.
The spelling of 8928950121 in words is "eight billion, nine hundred twenty-eight million, nine hundred fifty thousand, one hundred twenty-one".
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