Base | Representation |
---|---|
bin | 100011111001000101… |
… | …100000111111110100 |
3 | 10200110211101100212201 |
4 | 203321011200333310 |
5 | 1112411402223103 |
6 | 25412054154244 |
7 | 2533011432046 |
oct | 437105407764 |
9 | 120424340781 |
10 | 38538711028 |
11 | 15387109004 |
12 | 7576652984 |
13 | 38323c522c |
14 | 1c184a3a96 |
15 | 100858751d |
hex | 8f9160ff4 |
38538711028 has 48 divisors (see below), whose sum is σ = 73379678400. Its totient is φ = 17651450880.
The previous prime is 38538711007. The next prime is 38538711031. The reversal of 38538711028 is 82011783583.
It is a congruent number.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 203076 + ... + 343972.
It is an arithmetic number, because the mean of its divisors is an integer number (1528743300).
Almost surely, 238538711028 is an apocalyptic number.
38538711028 is a gapful number since it is divisible by the number (38) formed by its first and last digit.
It is an amenable number.
38538711028 is a deficient number, since it is larger than the sum of its proper divisors (34840967372).
38538711028 is a wasteful number, since it uses less digits than its factorization.
38538711028 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 141040 (or 141038 counting only the distinct ones).
The product of its (nonzero) digits is 322560, while the sum is 46.
The spelling of 38538711028 in words is "thirty-eight billion, five hundred thirty-eight million, seven hundred eleven thousand, twenty-eight".
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