Base | Representation |
---|---|
bin | 100011110010001001… |
… | …010000111000010000 |
3 | 10200011201020200121002 |
4 | 203302021100320100 |
5 | 1112142044044242 |
6 | 25352334121132 |
7 | 2530065522350 |
oct | 436211207020 |
9 | 120151220532 |
10 | 38422253072 |
11 | 153273a6465 |
12 | 75436501a8 |
13 | 381423b5b8 |
14 | 1c06c2ab60 |
15 | eed231432 |
hex | 8f2250e10 |
38422253072 has 80 divisors (see below), whose sum is σ = 85821173760. Its totient is φ = 16323348096.
The previous prime is 38422253041. The next prime is 38422253081. The reversal of 38422253072 is 27035222483.
It is a happy number.
It is a super-2 number, since 2×384222530722 (a number of 22 digits) contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7646753 + ... + 7651775.
It is an arithmetic number, because the mean of its divisors is an integer number (1072764672).
Almost surely, 238422253072 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 38422253072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42910586880).
38422253072 is an abundant number, since it is smaller than the sum of its proper divisors (47398920688).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38422253072 is a wasteful number, since it uses less digits than its factorization.
38422253072 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5620 (or 5614 counting only the distinct ones).
The product of its (nonzero) digits is 161280, while the sum is 38.
The spelling of 38422253072 in words is "thirty-eight billion, four hundred twenty-two million, two hundred fifty-three thousand, seventy-two".
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