Base | Representation |
---|---|
bin | 100011110111000100… |
… | …111110110111100110 |
3 | 10200101110222112002120 |
4 | 203313010332313212 |
5 | 1112324241014211 |
6 | 25404452050410 |
7 | 2532122146134 |
oct | 436704766746 |
9 | 120343875076 |
10 | 38505016806 |
11 | 1536a095043 |
12 | 7567303a06 |
13 | 3828428919 |
14 | 1c13c12754 |
15 | 100562dd06 |
hex | 8f713ede6 |
38505016806 has 32 divisors (see below), whose sum is σ = 77624148096. Its totient is φ = 12732720000.
The previous prime is 38505016783. The next prime is 38505016807. The reversal of 38505016806 is 60861050583.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38505016807) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3020526 + ... + 3033246.
It is an arithmetic number, because the mean of its divisors is an integer number (2425754628).
Almost surely, 238505016806 is an apocalyptic number.
38505016806 is an abundant number, since it is smaller than the sum of its proper divisors (39119131290).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38505016806 is a wasteful number, since it uses less digits than its factorization.
38505016806 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16708.
The product of its (nonzero) digits is 172800, while the sum is 42.
It can be divided in two parts, 385050 and 16806, that added together give a triangular number (401856 = T896).
The spelling of 38505016806 in words is "thirty-eight billion, five hundred five million, sixteen thousand, eight hundred six".
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