Base | Representation |
---|---|
bin | 1001010010101101… |
… | …01110001101000000 |
3 | 110212200021202202000 |
4 | 10221112232031000 |
5 | 40204112231233 |
6 | 2143011024000 |
7 | 234425004000 |
oct | 45126561500 |
9 | 13780252660 |
10 | 4988789568 |
11 | 2130050494 |
12 | b7289b000 |
13 | 6167350b9 |
14 | 3547c4000 |
15 | 1e2e8ed13 |
hex | 1295ae340 |
4988789568 has 448 divisors, whose sum is σ = 18044160000. Its totient is φ = 1347300864.
The previous prime is 4988789567. The next prime is 4988789569. The reversal of 4988789568 is 8659878894.
4988789568 is a `hidden beast` number, since 498 + 8 + 7 + 89 + 56 + 8 = 666.
It is an interprime number because it is at equal distance from previous prime (4988789567) and next prime (4988789569).
It is a tau number, because it is divible by the number of its divisors (448).
It is a Harshad number since it is a multiple of its sum of digits (72).
Its product of digits (278691840) is a multiple of the sum of its prime factors (504).
It is a junction number, because it is equal to n+sod(n) for n = 4988789496 and 4988789505.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4988789567) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11261155 + ... + 11261597.
Almost surely, 24988789568 is an apocalyptic number.
4988789568 is a gapful number since it is divisible by the number (48) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 4988789568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9022080000).
4988789568 is an abundant number, since it is smaller than the sum of its proper divisors (13055370432).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4988789568 is a wasteful number, since it uses less digits than its factorization.
4988789568 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 504 (or 474 counting only the distinct ones).
The product of its digits is 278691840, while the sum is 72.
The square root of 4988789568 is about 70631.3639115089. The cubic root of 4988789568 is about 1708.6970191064.
The spelling of 4988789568 in words is "four billion, nine hundred eighty-eight million, seven hundred eighty-nine thousand, five hundred sixty-eight".
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