Base | Representation |
---|---|
bin | 100011111001100111… |
… | …000000111001100010 |
3 | 10200111102220111201120 |
4 | 203321213000321202 |
5 | 1112421124224300 |
6 | 25413010313110 |
7 | 2533146164625 |
oct | 437147007142 |
9 | 120442814646 |
10 | 38547492450 |
11 | 15391066685 |
12 | 7579588796 |
13 | 383417b23c |
14 | 1c1970bdbc |
15 | 100921e3a0 |
hex | 8f99c0e62 |
38547492450 has 48 divisors (see below), whose sum is σ = 95666153760. Its totient is φ = 10271979520.
The previous prime is 38547492449. The next prime is 38547492461. The reversal of 38547492450 is 5429474583.
It is a junction number, because it is equal to n+sod(n) for n = 38547492393 and 38547492402.
It is an unprimeable number.
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 23 ways as a sum of consecutive naturals, for example, 120157 + ... + 302543.
It is an arithmetic number, because the mean of its divisors is an integer number (1993044870).
Almost surely, 238547492450 is an apocalyptic number.
38547492450 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
38547492450 is an abundant number, since it is smaller than the sum of its proper divisors (57118661310).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38547492450 is a wasteful number, since it uses less digits than its factorization.
38547492450 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 183811 (or 183806 counting only the distinct ones).
The product of its (nonzero) digits is 4838400, while the sum is 51.
The spelling of 38547492450 in words is "thirty-eight billion, five hundred forty-seven million, four hundred ninety-two thousand, four hundred fifty".
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