Base | Representation |
---|---|
bin | 100011111111110110… |
… | …010000010001010110 |
3 | 10200202201211201002100 |
4 | 203333312100101112 |
5 | 1113124422311440 |
6 | 25431225422530 |
7 | 2535556601334 |
oct | 437766202126 |
9 | 120681751070 |
10 | 38652150870 |
11 | 1543514a043 |
12 | 75a863aa46 |
13 | 384ca631b8 |
14 | 1c29592b54 |
15 | 10134e4230 |
hex | 8ffd90456 |
38652150870 has 144 divisors (see below), whose sum is σ = 107262960480. Its totient is φ = 9654315264.
The previous prime is 38652150869. The next prime is 38652150871. The reversal of 38652150870 is 7805125683.
38652150870 is a `hidden beast` number, since 3 + 8 + 6 + 521 + 50 + 8 + 70 = 666.
It is an interprime number because it is at equal distance from previous prime (38652150869) and next prime (38652150871).
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38652150871) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2884927 + ... + 2898293.
It is an arithmetic number, because the mean of its divisors is an integer number (744881670).
Almost surely, 238652150870 is an apocalyptic number.
38652150870 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 38652150870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53631480240).
38652150870 is an abundant number, since it is smaller than the sum of its proper divisors (68610809610).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38652150870 is a wasteful number, since it uses less digits than its factorization.
38652150870 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13507 (or 13485 counting only the distinct ones).
The product of its (nonzero) digits is 403200, while the sum is 45.
The spelling of 38652150870 in words is "thirty-eight billion, six hundred fifty-two million, one hundred fifty thousand, eight hundred seventy".
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