Base | Representation |
---|---|
bin | 100100001011011100… |
… | …000110000110110101 |
3 | 10201021021202202200212 |
4 | 210023130012012311 |
5 | 1114024213320320 |
6 | 25502413515205 |
7 | 2543440552100 |
oct | 441334060665 |
9 | 121237682625 |
10 | 38846620085 |
11 | 155249a46a9 |
12 | 76417a2b05 |
13 | 3881131c40 |
14 | 1c47335737 |
15 | 10256099c5 |
hex | 90b7061b5 |
38846620085 has 48 divisors (see below), whose sum is σ = 58436026992. Its totient is φ = 24572620800.
The previous prime is 38846620037. The next prime is 38846620091. The reversal of 38846620085 is 58002664883.
It can be written as a sum of positive squares in 8 ways, for example, as 4607558641 + 34239061444 = 67879^2 + 185038^2 .
It is not a de Polignac number, because 38846620085 - 224 = 38829842869 is a prime.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6625055 + ... + 6630915.
It is an arithmetic number, because the mean of its divisors is an integer number (1217417229).
Almost surely, 238846620085 is an apocalyptic number.
38846620085 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
38846620085 is a deficient number, since it is larger than the sum of its proper divisors (19589406907).
38846620085 is a wasteful number, since it uses less digits than its factorization.
38846620085 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7974 (or 7967 counting only the distinct ones).
The product of its (nonzero) digits is 2211840, while the sum is 50.
The spelling of 38846620085 in words is "thirty-eight billion, eight hundred forty-six million, six hundred twenty thousand, eighty-five".
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