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3987389883 = 36481205081
BaseRepresentation
bin1110110110101010…
…1011110110111011
3101021212222101121210
43231222223312323
531131232434013
61455355334203
7200545153251
oct35552536673
911255871553
103987389883
111766861044
12933451363
134b7127ac9
1429b7d05d1
151850d3cc3
hexedaabdbb

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".

Divisors: 1 3 6481 19443 205081 615243 1329129961 3987389883