Base | Representation |
---|---|
bin | 100100010000111111… |
… | …011101000011101101 |
3 | 10201111210001112111210 |
4 | 210100333131003231 |
5 | 1114222040301323 |
6 | 25515542305033 |
7 | 2545651425303 |
oct | 442077350355 |
9 | 121453045453 |
10 | 38939775213 |
11 | 15572540509 |
12 | 7668a28179 |
13 | 389751a011 |
14 | 1c55864273 |
15 | 102d8ab293 |
hex | 910fdd0ed |
38939775213 has 16 divisors (see below), whose sum is σ = 52588523520. Its totient is φ = 25625583984.
The previous prime is 38939775179. The next prime is 38939775223. The reversal of 38939775213 is 31257793983.
It is not a de Polignac number, because 38939775213 - 218 = 38939513069 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38939775223) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1241320 + ... + 1272302.
It is an arithmetic number, because the mean of its divisors is an integer number (3286782720).
Almost surely, 238939775213 is an apocalyptic number.
It is an amenable number.
38939775213 is a deficient number, since it is larger than the sum of its proper divisors (13648748307).
38939775213 is a wasteful number, since it uses less digits than its factorization.
38939775213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 36368.
The product of its digits is 8573040, while the sum is 57.
The spelling of 38939775213 in words is "thirty-eight billion, nine hundred thirty-nine million, seven hundred seventy-five thousand, two hundred thirteen".
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