Base | Representation |
---|---|
bin | 111011001111111… |
… | …1111110010011110 |
3 | 12010112221220102211 |
4 | 1312133333302132 |
5 | 13032423133410 |
6 | 525135511034 |
7 | 100160364445 |
oct | 16637776236 |
9 | 5115856384 |
10 | 1988099230 |
11 | 930259417 |
12 | 47598847a |
13 | 258b6b5a0 |
14 | 14c07bd5c |
15 | b981168a |
hex | 767ffc9e |
1988099230 has 32 divisors (see below), whose sum is σ = 3883305888. Its totient is φ = 728457600.
The previous prime is 1988099203. The next prime is 1988099233. The reversal of 1988099230 is 329908891.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1988099233) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41341 + ... + 75400.
It is an arithmetic number, because the mean of its divisors is an integer number (121353309).
Almost surely, 21988099230 is an apocalyptic number.
1988099230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1988099230 is a deficient number, since it is larger than the sum of its proper divisors (1895206658).
1988099230 is a wasteful number, since it uses less digits than its factorization.
1988099230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 116892.
The product of its (nonzero) digits is 279936, while the sum is 49.
The square root of 1988099230 is about 44588.1063737854. The cubic root of 1988099230 is about 1257.4170716576.
The spelling of 1988099230 in words is "one billion, nine hundred eighty-eight million, ninety-nine thousand, two hundred thirty".
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