Base | Representation |
---|---|
bin | 100011100101000100101… |
… | …1011100011111100110100 |
3 | 122022110220000020011011210 |
4 | 1013022021123203330310 |
5 | 1120104133443032310 |
6 | 14222231453401420 |
7 | 1013201140220265 |
oct | 107121133437464 |
9 | 18273800204153 |
10 | 4889978486580 |
11 | 1615912413070 |
12 | 66b863a99270 |
13 | 29617a2a4135 |
14 | 12c9677a296c |
15 | 872ed7c9820 |
hex | 472896e3f34 |
4889978486580 has 192 divisors, whose sum is σ = 15121515144960. Its totient is φ = 1170835968000.
The previous prime is 4889978486579. The next prime is 4889978486581. The reversal of 4889978486580 is 856848799884.
It is an interprime number because it is at equal distance from previous prime (4889978486579) and next prime (4889978486581).
It is a junction number, because it is equal to n+sod(n) for n = 4889978486493 and 4889978486502.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4889978486581) 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, 27174262 + ... + 27353618.
It is an arithmetic number, because the mean of its divisors is an integer number (78757891380).
Almost surely, 24889978486580 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 4889978486580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7560757572480).
4889978486580 is an abundant number, since it is smaller than the sum of its proper divisors (10231536658380).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4889978486580 is a wasteful number, since it uses less digits than its factorization.
4889978486580 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 179890 (or 179888 counting only the distinct ones).
The product of its (nonzero) digits is 8918138880, while the sum is 84.
The spelling of 4889978486580 in words is "four trillion, eight hundred eighty-nine billion, nine hundred seventy-eight million, four hundred eighty-six thousand, five hundred eighty".
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