Base | Representation |
---|---|
bin | 100100001010111101… |
… | …001000000100100011 |
3 | 10201020201111022022201 |
4 | 210022331020010203 |
5 | 1114020124023132 |
6 | 25501523514031 |
7 | 2543311550200 |
oct | 441275100443 |
9 | 121221438281 |
10 | 38838501667 |
11 | 1552035a169 |
12 | 763ab28917 |
13 | 387c54b944 |
14 | 1c46220ca7 |
15 | 1024a542e7 |
hex | 90af48123 |
38838501667 has 24 divisors (see below), whose sum is σ = 46434396096. Its totient is φ = 32372314128.
The previous prime is 38838501641. The next prime is 38838501677. The reversal of 38838501667 is 76610583883.
It is not a de Polignac number, because 38838501667 - 211 = 38838499619 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (38838501677) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 437688 + ... + 518890.
It is an arithmetic number, because the mean of its divisors is an integer number (1934766504).
Almost surely, 238838501667 is an apocalyptic number.
38838501667 is a deficient number, since it is larger than the sum of its proper divisors (7595894429).
38838501667 is a wasteful number, since it uses less digits than its factorization.
38838501667 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 81487 (or 81480 counting only the distinct ones).
The product of its (nonzero) digits is 5806080, while the sum is 55.
The spelling of 38838501667 in words is "thirty-eight billion, eight hundred thirty-eight million, five hundred one thousand, six hundred sixty-seven".
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