Base | Representation |
---|---|
bin | 10001011110011011010100… |
… | …10010001011100010110101 |
3 | 12001001202121000110020211101 |
4 | 20233031222102023202311 |
5 | 20014104244010014320 |
6 | 213421550022010101 |
7 | 11044251602413012 |
oct | 1057155222134265 |
9 | 161052530406741 |
10 | 38428855548085 |
11 | 1127664a133a92 |
12 | 4387929b76931 |
13 | 1859a968c0b42 |
14 | 96bd76246709 |
15 | 469951a49c0a |
hex | 22f36a48b8b5 |
38428855548085 has 8 divisors (see below), whose sum is σ = 46150181504856. Its totient is φ = 30719381207040.
The previous prime is 38428855548037. The next prime is 38428855548101. The reversal of 38428855548085 is 58084555882483.
38428855548085 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 12105152728516 + 26323702819569 = 3479246^2 + 5130663^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 38428855548085 - 215 = 38428855515317 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 38428855547999 and 38428855548017.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2962896796 + ... + 2962909765.
It is an arithmetic number, because the mean of its divisors is an integer number (5768772688107).
Almost surely, 238428855548085 is an apocalyptic number.
It is an amenable number.
38428855548085 is a deficient number, since it is larger than the sum of its proper divisors (7721325956771).
38428855548085 is a wasteful number, since it uses less digits than its factorization.
38428855548085 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5925807863.
The product of its (nonzero) digits is 1966080000, while the sum is 73.
The spelling of 38428855548085 in words is "thirty-eight trillion, four hundred twenty-eight billion, eight hundred fifty-five million, five hundred forty-eight thousand, eighty-five".
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