Base | Representation |
---|---|
bin | 111010000011100000000… |
… | …000111101110000000000 |
3 | 112010101120021111202211211 |
4 | 322003200000331300000 |
5 | 1010330432412000000 |
6 | 12252425005215504 |
7 | 561142142324566 |
oct | 72034000756000 |
9 | 15111507452754 |
10 | 3989488000000 |
11 | 12a8a28a74468 |
12 | 545233561594 |
13 | 22c2900141a9 |
14 | db1411bda36 |
15 | 6db981b37ba |
hex | 3a0e003dc00 |
3989488000000 has 616 divisors, whose sum is σ = 10719745910496. Its totient is φ = 1480089600000.
The previous prime is 3989487999947. The next prime is 3989488000009. The reversal of 3989488000000 is 8849893.
It is a happy number.
It is a super-5 number, since 5×39894880000005 (a number of 64 digits) contains 55555 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 3989487999899 and 3989487999908.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3989488000009) by changing a digit.
It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 13615999854 + ... + 13616000146.
Almost surely, 23989488000000 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 3989488000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5359872955248).
3989488000000 is an abundant number, since it is smaller than the sum of its proper divisors (6730257910496).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3989488000000 is an frugal number, since it uses more digits than its factorization.
3989488000000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 403 (or 360 counting only the distinct ones).
The product of its (nonzero) digits is 497664, while the sum is 49.
The spelling of 3989488000000 in words is "three trillion, nine hundred eighty-nine billion, four hundred eighty-eight million", and thus it is an aban number.
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