Base | Representation |
---|---|
bin | 1000011101110011101… |
… | …11001011111111110000 |
3 | 1000210211000000220220000 |
4 | 10032321313023333300 |
5 | 14231211022421343 |
6 | 341343502350000 |
7 | 30005206136040 |
oct | 4167167137760 |
9 | 1023730026800 |
10 | 290881060848 |
11 | 1023a8859354 |
12 | 4845b58b300 |
13 | 21578836521 |
14 | 10116009720 |
15 | 7876d3aed3 |
hex | 43b9dcbff0 |
290881060848 has 400 divisors, whose sum is σ = 983263733760. Its totient is φ = 81300506112.
The previous prime is 290881060801. The next prime is 290881060889. The reversal of 290881060848 is 848060188092.
290881060848 is a `hidden beast` number, since 29 + 0 + 8 + 8 + 1 + 0 + 608 + 4 + 8 = 666.
It is a super-2 number, since 2×2908810608482 (a number of 24 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a junction number, because it is equal to n+sod(n) for n = 290881060794 and 290881060803.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 119359086 + ... + 119361522.
Almost surely, 2290881060848 is an apocalyptic number.
290881060848 is a gapful number since it is divisible by the number (28) 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 290881060848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (491631866880).
290881060848 is an abundant number, since it is smaller than the sum of its proper divisors (692382672912).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
290881060848 is a wasteful number, since it uses less digits than its factorization.
290881060848 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2746 (or 2731 counting only the distinct ones).
The product of its (nonzero) digits is 1769472, while the sum is 54.
It can be divided in two parts, 29088 and 1060848, that added together give a square (1089936 = 10442).
The spelling of 290881060848 in words is "two hundred ninety billion, eight hundred eighty-one million, sixty thousand, eight hundred forty-eight".
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