Base | Representation |
---|---|
bin | 100011110000001000… |
… | …000100010110100110 |
3 | 10200002100112000121002 |
4 | 203300020010112212 |
5 | 1112104411311230 |
6 | 25345124153302 |
7 | 2526204614231 |
oct | 436010042646 |
9 | 120070460532 |
10 | 38388385190 |
11 | 1530a273a81 |
12 | 7534238832 |
13 | 380a210c2c |
14 | 1c02532418 |
15 | eea291545 |
hex | 8f02045a6 |
38388385190 has 32 divisors (see below), whose sum is σ = 70652602944. Its totient is φ = 15013146240.
The previous prime is 38388385169. The next prime is 38388385193. The reversal of 38388385190 is 9158388383.
It is a super-2 number, since 2×383883851902 (a number of 22 digits) contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38388385193) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86549 + ... + 290288.
It is an arithmetic number, because the mean of its divisors is an integer number (2207893842).
Almost surely, 238388385190 is an apocalyptic number.
38388385190 is a deficient number, since it is larger than the sum of its proper divisors (32264217754).
38388385190 is a wasteful number, since it uses less digits than its factorization.
38388385190 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 377072.
The product of its (nonzero) digits is 4976640, while the sum is 56.
The spelling of 38388385190 in words is "thirty-eight billion, three hundred eighty-eight million, three hundred eighty-five thousand, one hundred ninety".
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