Base | Representation |
---|---|
bin | 1000111111100001011… |
… | …01001111010000000000 |
3 | 1002112112102101121000220 |
4 | 10133300231033100000 |
5 | 20030243123200200 |
6 | 353535520343040 |
7 | 31215560515365 |
oct | 4376055172000 |
9 | 1075472347026 |
10 | 308981068800 |
11 | 10a046838208 |
12 | 4ba71174a80 |
13 | 231a16b10c1 |
14 | 10d51c2a46c |
15 | 8085d9b4a0 |
hex | 47f0b4f400 |
308981068800 has 132 divisors (see below), whose sum is σ = 1021198778976. Its totient is φ = 82394931200.
The previous prime is 308981068763. The next prime is 308981068807. The reversal of 308981068800 is 8860189803.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (308981068807) 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 11 ways as a sum of consecutive naturals, for example, 1934796 + ... + 2088395.
Almost surely, 2308981068800 is an apocalyptic number.
308981068800 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
308981068800 is an abundant number, since it is smaller than the sum of its proper divisors (712217710176).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
308981068800 is a wasteful number, since it uses less digits than its factorization.
308981068800 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4023224 (or 4023201 counting only the distinct ones).
The product of its (nonzero) digits is 663552, while the sum is 51.
The spelling of 308981068800 in words is "three hundred eight billion, nine hundred eighty-one million, sixty-eight thousand, eight hundred".
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