Base | Representation |
---|---|
bin | 100011111110000001… |
… | …110001000110110000 |
3 | 10200200121101022002010 |
4 | 203332001301012300 |
5 | 1113044113131022 |
6 | 25424215122520 |
7 | 2535036210135 |
oct | 437601610660 |
9 | 120617338063 |
10 | 38621614512 |
11 | 15419992688 |
12 | 759a373440 |
13 | 3846631050 |
14 | 1c254c458c |
15 | 10109b150c |
hex | 8fe0711b0 |
38621614512 has 80 divisors (see below), whose sum is σ = 107814536928. Its totient is φ = 11842959360.
The previous prime is 38621614463. The next prime is 38621614547. The reversal of 38621614512 is 21541612683.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77212 + ... + 288452.
Almost surely, 238621614512 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 38621614512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53907268464).
38621614512 is an abundant number, since it is smaller than the sum of its proper divisors (69192922416).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38621614512 is a wasteful number, since it uses less digits than its factorization.
38621614512 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 211558 (or 211552 counting only the distinct ones).
The product of its digits is 69120, while the sum is 39.
The spelling of 38621614512 in words is "thirty-eight billion, six hundred twenty-one million, six hundred fourteen thousand, five hundred twelve".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.078 sec. • engine limits •