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3886981296 = 243111072643
BaseRepresentation
bin1110011110101110…
…1010000010110000
3101000220001002221020
43213223222002300
530430031400141
61441411255440
7165215536662
oct34753520260
911026032836
103886981296
111715110640
129058aa580
1349c3a0343
1428c334532
1517b39d266
hexe7aea0b0

3886981296 has 120 divisors (see below), whose sum is σ = 11074749504. Its totient is φ = 1165050240.

The previous prime is 3886981289. The next prime is 3886981321. The reversal of 3886981296 is 6921896883.

It is a happy number.

3886981296 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6044751 + ... + 6045393.

Almost surely, 23886981296 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3886981296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5537374752).

3886981296 is an abundant number, since it is smaller than the sum of its proper divisors (7187768208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3886981296 is a wasteful number, since it uses less digits than its factorization.

3886981296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879 (or 766 counting only the distinct ones).

The product of its digits is 8957952, while the sum is 60.

The square root of 3886981296 is about 62345.6598008233. The cubic root of 3886981296 is about 1572.3074912092.

The spelling of 3886981296 in words is "three billion, eight hundred eighty-six million, nine hundred eighty-one thousand, two hundred ninety-six".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 33 44 48 66 88 107 132 176 214 264 321 428 528 642 643 856 1177 1284 1286 1712 1929 2354 2568 2572 3531 3858 4708 5136 5144 7062 7073 7716 9416 10288 11449 14124 14146 15432 18832 21219 22898 28248 28292 30864 34347 42438 45796 56496 56584 68694 68801 84876 91592 113168 125939 137388 137602 169752 183184 206403 251878 274776 275204 339504 377817 412806 503756 549552 550408 755634 756811 825612 1007512 1100816 1511268 1513622 1651224 2015024 2270433 3022536 3027244 3302448 4540866 6045072 6054488 7361707 9081732 12108976 14723414 18163464 22085121 29446828 36326928 44170242 58893656 80978777 88340484 117787312 161957554 176680968 242936331 323915108 353361936 485872662 647830216 971745324 1295660432 1943490648 3886981296