Base | Representation |
---|---|
bin | 1110110110101010… |
… | …1011110110111011 |
3 | 101021212222101121210 |
4 | 3231222223312323 |
5 | 31131232434013 |
6 | 1455355334203 |
7 | 200545153251 |
oct | 35552536673 |
9 | 11255871553 |
10 | 3987389883 |
11 | 1766861044 |
12 | 933451363 |
13 | 4b7127ac9 |
14 | 29b7d05d1 |
15 | 1850d3cc3 |
hex | edaabdbb |
3987389883 has 8 divisors (see below), whose sum is σ = 5317366096. Its totient is φ = 2657836800.
The previous prime is 3987389881. The next prime is 3987389941. The reversal of 3987389883 is 3889837893.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 3987389883 - 21 = 3987389881 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (3987389881) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83098 + ... + 121983.
It is an arithmetic number, because the mean of its divisors is an integer number (664670762).
Almost surely, 23987389883 is an apocalyptic number.
3987389883 is a deficient number, since it is larger than the sum of its proper divisors (1329976213).
3987389883 is a wasteful number, since it uses less digits than its factorization.
3987389883 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 211565.
The product of its digits is 62705664, while the sum is 66.
The square root of 3987389883 is about 63145.7827808002. The cubic root of 3987389883 is about 1585.7311865545.
The spelling of 3987389883 in words is "three billion, nine hundred eighty-seven million, three hundred eighty-nine thousand, eight hundred eighty-three".
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