Base | Representation |
---|---|
bin | 100100010001000011… |
… | …000101010111011100 |
3 | 10201111211211212202211 |
4 | 210101003011113130 |
5 | 1114222311223443 |
6 | 25520014530204 |
7 | 2545662500410 |
oct | 442103052734 |
9 | 121454755684 |
10 | 38940726748 |
11 | 15573030400 |
12 | 7669206964 |
13 | 3897791161 |
14 | 1c55a30d40 |
15 | 102d9e819d |
hex | 9110c55dc |
38940726748 has 144 divisors (see below), whose sum is σ = 89614812672. Its totient is φ = 14465404800.
The previous prime is 38940726733. The next prime is 38940726751. The reversal of 38940726748 is 84762704983.
It is a junction number, because it is equal to n+sod(n) for n = 38940726692 and 38940726701.
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, 32805411 + ... + 32806597.
It is an arithmetic number, because the mean of its divisors is an integer number (622325088).
Almost surely, 238940726748 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 38940726748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44807406336).
38940726748 is an abundant number, since it is smaller than the sum of its proper divisors (50674085924).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38940726748 is a wasteful number, since it uses less digits than its factorization.
38940726748 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1664 (or 1651 counting only the distinct ones).
The product of its (nonzero) digits is 16257024, while the sum is 58.
The spelling of 38940726748 in words is "thirty-eight billion, nine hundred forty million, seven hundred twenty-six thousand, seven hundred forty-eight".
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