Base | Representation |
---|---|
bin | 100011111000101001… |
… | …101011011011011101 |
3 | 10200110022122121212020 |
4 | 203320221223123131 |
5 | 1112403020214400 |
6 | 25411233530353 |
7 | 2532562420110 |
oct | 437051533335 |
9 | 120408577766 |
10 | 38531413725 |
11 | 15382a84482 |
12 | 75741139b9 |
13 | 3830a3b8bc |
14 | 1c17524577 |
15 | 1007ae52a0 |
hex | 8f8a6b6dd |
38531413725 has 48 divisors (see below), whose sum is σ = 72854563200. Its totient is φ = 17602617600.
The previous prime is 38531413691. The next prime is 38531413741. The reversal of 38531413725 is 52731413583.
It is not a de Polignac number, because 38531413725 - 29 = 38531413213 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, 789535 + ... + 836915.
It is an arithmetic number, because the mean of its divisors is an integer number (1517803400).
Almost surely, 238531413725 is an apocalyptic number.
38531413725 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
38531413725 is a deficient number, since it is larger than the sum of its proper divisors (34323149475).
38531413725 is a wasteful number, since it uses less digits than its factorization.
38531413725 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 48950 (or 48945 counting only the distinct ones).
The product of its digits is 302400, while the sum is 42.
The spelling of 38531413725 in words is "thirty-eight billion, five hundred thirty-one million, four hundred thirteen thousand, seven hundred twenty-five".
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