Base | Representation |
---|---|
bin | 100011101011101001… |
… | …000100010111011011 |
3 | 10122220002221200012102 |
4 | 203223221010113123 |
5 | 1111431131244130 |
6 | 25333435434015 |
7 | 2524302254345 |
oct | 435351042733 |
9 | 118802850172 |
10 | 38313149915 |
11 | 15280857667 |
12 | 7512bb590b |
13 | 37c775b511 |
14 | 1bd654a295 |
15 | ee387e645 |
hex | 8eba445db |
38313149915 has 8 divisors (see below), whose sum is σ = 46000363968. Its totient is φ = 30634130560.
The previous prime is 38313149909. The next prime is 38313149923. The reversal of 38313149915 is 51994131383.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-38313149915 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 38313149915.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 2038382 + ... + 2057091.
It is an arithmetic number, because the mean of its divisors is an integer number (5750045496).
Almost surely, 238313149915 is an apocalyptic number.
38313149915 is a deficient number, since it is larger than the sum of its proper divisors (7687214053).
38313149915 is a wasteful number, since it uses less digits than its factorization.
38313149915 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4097349.
The product of its digits is 349920, while the sum is 47.
The spelling of 38313149915 in words is "thirty-eight billion, three hundred thirteen million, one hundred forty-nine thousand, nine hundred fifteen".
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