Base | Representation |
---|---|
bin | 10001101011010011010001… |
… | …01000101001110101100100 |
3 | 12002122001101102111010202220 |
4 | 20311221220220221311210 |
5 | 20043331214114011023 |
6 | 214401104230432340 |
7 | 11121231544202124 |
oct | 1065515050516544 |
9 | 162561342433686 |
10 | 38871209516388 |
11 | 11427207446677 |
12 | 44396015026b0 |
13 | 188c701ba1292 |
14 | 98553b492c84 |
15 | 4761e190c3e3 |
hex | 235a68a29d64 |
38871209516388 has 24 divisors (see below), whose sum is σ = 91361528940192. Its totient is φ = 12862492686144.
The previous prime is 38871209516383. The next prime is 38871209516429. The reversal of 38871209516388 is 88361590217883.
It is not an unprimeable number, because it can be changed into a prime (38871209516383) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11822142370 + ... + 11822145657.
It is an arithmetic number, because the mean of its divisors is an integer number (3806730372508).
Almost surely, 238871209516388 is an apocalyptic number.
It is an amenable number.
38871209516388 is an abundant number, since it is smaller than the sum of its proper divisors (52490319423804).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38871209516388 is a wasteful number, since it uses less digits than its factorization.
38871209516388 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23644288171 (or 23644288169 counting only the distinct ones).
The product of its (nonzero) digits is 139345920, while the sum is 69.
The spelling of 38871209516388 in words is "thirty-eight trillion, eight hundred seventy-one billion, two hundred nine million, five hundred sixteen thousand, three hundred eighty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.079 sec. • engine limits •