Base | Representation |
---|---|
bin | 100011111101001011… |
… | …101101000000000000 |
3 | 10200122121201020221022 |
4 | 203331023231000000 |
5 | 1113032001120140 |
6 | 25422551245012 |
7 | 2534504561465 |
oct | 437513550000 |
9 | 120577636838 |
10 | 38607441920 |
11 | 154119925a3 |
12 | 7595679768 |
13 | 384370b1b8 |
14 | 1c2367566c |
15 | 100e6120b5 |
hex | 8fd2ed000 |
38607441920 has 78 divisors (see below), whose sum is σ = 92714076438. Its totient is φ = 15431729152.
The previous prime is 38607441911. The next prime is 38607441931. The reversal of 38607441920 is 2914470683.
It can be written as a sum of positive squares in 3 ways, for example, as 27306901504 + 11300540416 = 165248^2 + 106304^2 .
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28118354 + ... + 28119726.
Almost surely, 238607441920 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 38607441920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46357038219).
38607441920 is an abundant number, since it is smaller than the sum of its proper divisors (54106634518).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38607441920 is an frugal number, since it uses more digits than its factorization.
38607441920 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2775 (or 1380 counting only the distinct ones).
The product of its (nonzero) digits is 290304, while the sum is 44.
The spelling of 38607441920 in words is "thirty-eight billion, six hundred seven million, four hundred forty-one thousand, nine hundred twenty".
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