Base | Representation |
---|---|
bin | 111011001111111… |
… | …1100000110001000 |
3 | 12010112221010200121 |
4 | 1312133330012020 |
5 | 13032422142404 |
6 | 525135313024 |
7 | 100160302366 |
oct | 16637740610 |
9 | 5115833617 |
10 | 1988084104 |
11 | 930249016 |
12 | 47597b774 |
13 | 258b64736 |
14 | 14c076636 |
15 | b980be54 |
hex | 767fc188 |
1988084104 has 8 divisors (see below), whose sum is σ = 3727657710. Its totient is φ = 994042048.
The previous prime is 1988084093. The next prime is 1988084129. The reversal of 1988084104 is 4014808891.
It can be written as a sum of positive squares in only one way, i.e., 1604002500 + 384081604 = 40050^2 + 19598^2 .
It is a tau number, because it is divible by the number of its divisors (8).
It is an unprimeable number.
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 as a sum of consecutive naturals, namely, 124255249 + ... + 124255264.
Almost surely, 21988084104 is an apocalyptic number.
It is an amenable number.
1988084104 is a deficient number, since it is larger than the sum of its proper divisors (1739573606).
1988084104 is a wasteful number, since it uses less digits than its factorization.
1988084104 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 248510519 (or 248510515 counting only the distinct ones).
The product of its (nonzero) digits is 73728, while the sum is 43.
The square root of 1988084104 is about 44587.9367542388. The cubic root of 1988084104 is about 1257.4138827258.
The spelling of 1988084104 in words is "one billion, nine hundred eighty-eight million, eighty-four thousand, one hundred four".
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