Base | Representation |
---|---|
bin | 1101111000010000001… |
… | …1100010101000001100 |
3 | 211210110012112002022000 |
4 | 3132010003202220030 |
5 | 12401310303101220 |
6 | 301312013152300 |
7 | 23140506461040 |
oct | 3360403425014 |
9 | 753405462260 |
10 | 238438722060 |
11 | 92137495aa0 |
12 | 3a26478b690 |
13 | 1963baa5926 |
14 | b77d198020 |
15 | 6307d5a390 |
hex | 37840e2a0c |
238438722060 has 768 divisors, whose sum is σ = 993257717760. Its totient is φ = 45964800000.
The previous prime is 238438722059. The next prime is 238438722073. The reversal of 238438722060 is 60227834832.
238438722060 is a `hidden beast` number, since 2 + 3 + 8 + 438 + 7 + 2 + 206 + 0 = 666.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a junction number, because it is equal to n+sod(n) for n = 238438721997 and 238438722015.
It is an unprimeable number.
It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 50184685 + ... + 50189435.
It is an arithmetic number, because the mean of its divisors is an integer number (1293304320).
Almost surely, 2238438722060 is an apocalyptic number.
238438722060 is a gapful number since it is divisible by the number (20) 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 238438722060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (496628858880).
238438722060 is an abundant number, since it is smaller than the sum of its proper divisors (754818995700).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
238438722060 is a wasteful number, since it uses less digits than its factorization.
238438722060 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4875 (or 4867 counting only the distinct ones).
The product of its (nonzero) digits is 774144, while the sum is 45.
The spelling of 238438722060 in words is "two hundred thirty-eight billion, four hundred thirty-eight million, seven hundred twenty-two thousand, sixty".
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