Base | Representation |
---|---|
bin | 100011111111101000… |
… | …111001010011111000 |
3 | 10200202111020210100200 |
4 | 203333220321103320 |
5 | 1113123023231302 |
6 | 25431022402200 |
7 | 2535515044554 |
oct | 437750712370 |
9 | 120674223320 |
10 | 38648648952 |
11 | 15433177aa1 |
12 | 75a7430360 |
13 | 384c108264 |
14 | 1c28d20864 |
15 | 101305181c |
hex | 8ffa394f8 |
38648648952 has 24 divisors (see below), whose sum is σ = 104673424440. Its totient is φ = 12882882960.
The previous prime is 38648648939. The next prime is 38648648953. The reversal of 38648648952 is 25984684683.
It is a tau number, because it is divible by the number of its divisors (24).
It is a super-3 number, since 3×386486489523 (a number of 33 digits) contains 333 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 38648648952.
It is a congruent number.
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 5 ways as a sum of consecutive naturals, for example, 268393324 + ... + 268393467.
It is an arithmetic number, because the mean of its divisors is an integer number (4361392685).
Almost surely, 238648648952 is an apocalyptic number.
It is an amenable number.
38648648952 is an abundant number, since it is smaller than the sum of its proper divisors (66024775488).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38648648952 is a wasteful number, since it uses less digits than its factorization.
38648648952 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 536786803 (or 536786796 counting only the distinct ones).
The product of its digits is 79626240, while the sum is 63.
The spelling of 38648648952 in words is "thirty-eight billion, six hundred forty-eight million, six hundred forty-eight thousand, nine hundred fifty-two".
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