Base | Representation |
---|---|
bin | 100100001101110101… |
… | …111111100100011001 |
3 | 10201101002200102102201 |
4 | 210031311333210121 |
5 | 1114120030312411 |
6 | 25510414330201 |
7 | 2544440510242 |
oct | 441565774431 |
9 | 121332612381 |
10 | 38886963481 |
11 | 1554574a253 |
12 | 76531b9961 |
13 | 38895b8b82 |
14 | 1c4c837cc9 |
15 | 1028e283c1 |
hex | 90dd7f919 |
38886963481 has 16 divisors (see below), whose sum is σ = 40523355648. Its totient is φ = 37281988800.
The previous prime is 38886963473. The next prime is 38886963499. The reversal of 38886963481 is 18436968883.
It is a cyclic number.
It is not a de Polignac number, because 38886963481 - 23 = 38886963473 is a prime.
It is a super-2 number, since 2×388869634812 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (38886963421) 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, 6677551 + ... + 6683371.
It is an arithmetic number, because the mean of its divisors is an integer number (2532709728).
Almost surely, 238886963481 is an apocalyptic number.
It is an amenable number.
38886963481 is a deficient number, since it is larger than the sum of its proper divisors (1636392167).
38886963481 is a wasteful number, since it uses less digits than its factorization.
38886963481 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8472.
The product of its digits is 47775744, while the sum is 64.
The spelling of 38886963481 in words is "thirty-eight billion, eight hundred eighty-six million, nine hundred sixty-three thousand, four hundred eighty-one".
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