Base | Representation |
---|---|
bin | 100011111110001101… |
… | …001110110110001001 |
3 | 10200200211000222201021 |
4 | 203332031032312021 |
5 | 1113100400314123 |
6 | 25424403352441 |
7 | 2535103565215 |
oct | 437615166611 |
9 | 120624028637 |
10 | 38624619913 |
11 | 15420655690 |
12 | 759b382721 |
13 | 3847143ca9 |
14 | 1c25a67945 |
15 | 1010da6c5d |
hex | 8fe34ed89 |
38624619913 has 8 divisors (see below), whose sum is σ = 42418742400. Its totient is φ = 34877629680.
The previous prime is 38624619907. The next prime is 38624619953. The reversal of 38624619913 is 31991642683.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 38624619913 - 217 = 38624488841 is a prime.
It is a super-2 number, since 2×386246199132 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (38624619953) 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, 11781345 + ... + 11784622.
It is an arithmetic number, because the mean of its divisors is an integer number (5302342800).
Almost surely, 238624619913 is an apocalyptic number.
It is an amenable number.
38624619913 is a deficient number, since it is larger than the sum of its proper divisors (3794122487).
38624619913 is a wasteful number, since it uses less digits than its factorization.
38624619913 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23566127.
The product of its digits is 1679616, while the sum is 52.
The spelling of 38624619913 in words is "thirty-eight billion, six hundred twenty-four million, six hundred nineteen thousand, nine hundred thirteen".
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