Base | Representation |
---|---|
bin | 100011111111101000… |
… | …111001010011111010 |
3 | 10200202111020210100202 |
4 | 203333220321103322 |
5 | 1113123023231304 |
6 | 25431022402202 |
7 | 2535515044556 |
oct | 437750712372 |
9 | 120674223322 |
10 | 38648648954 |
11 | 15433177aa3 |
12 | 75a7430362 |
13 | 384c108266 |
14 | 1c28d20866 |
15 | 101305181e |
hex | 8ffa394fa |
38648648954 has 8 divisors (see below), whose sum is σ = 57982963860. Its totient is φ = 19320994336.
The previous prime is 38648648953. The next prime is 38648649041. The reversal of 38648648954 is 45984684683.
It can be written as a sum of positive squares in 2 ways, for example, as 38524660729 + 123988225 = 196277^2 + 11135^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (38648648953) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1650539 + ... + 1673790.
Almost surely, 238648648954 is an apocalyptic number.
38648648954 is a deficient number, since it is larger than the sum of its proper divisors (19334314906).
38648648954 is a wasteful number, since it uses less digits than its factorization.
38648648954 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3330144.
The product of its digits is 159252480, while the sum is 65.
The spelling of 38648648954 in words is "thirty-eight billion, six hundred forty-eight million, six hundred forty-eight thousand, nine hundred fifty-four".
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