Base | Representation |
---|---|
bin | 100011110101010001… |
… | …100000110011001101 |
3 | 10200022101000122211210 |
4 | 203311101200303031 |
5 | 1112244013401320 |
6 | 25401451205033 |
7 | 2531303645205 |
oct | 436521406315 |
9 | 120271018753 |
10 | 38474747085 |
11 | 15353a9aa45 |
12 | 7559146779 |
13 | 382208ac48 |
14 | 1c0dbb3405 |
15 | 1002b500e0 |
hex | 8f5460ccd |
38474747085 has 16 divisors (see below), whose sum is σ = 62338832640. Its totient is φ = 20260119360.
The previous prime is 38474747083. The next prime is 38474747141. The reversal of 38474747085 is 58074747483.
It is not a de Polignac number, because 38474747085 - 21 = 38474747083 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38474747083) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16232886 + ... + 16235255.
It is an arithmetic number, because the mean of its divisors is an integer number (3896177040).
Almost surely, 238474747085 is an apocalyptic number.
It is an amenable number.
38474747085 is a deficient number, since it is larger than the sum of its proper divisors (23864085555).
38474747085 is a wasteful number, since it uses less digits than its factorization.
38474747085 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 32468228.
The product of its (nonzero) digits is 21073920, while the sum is 57.
The spelling of 38474747085 in words is "thirty-eight billion, four hundred seventy-four million, seven hundred forty-seven thousand, eighty-five".
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