Base | Representation |
---|---|
bin | 100011110111000100… |
… | …111010111000110100 |
3 | 10200101110221200201122 |
4 | 203313010322320310 |
5 | 1112324240004000 |
6 | 25404451443112 |
7 | 2532122050451 |
oct | 436704727064 |
9 | 120343850648 |
10 | 38505000500 |
11 | 1536a08386a |
12 | 75672b6498 |
13 | 3828421385 |
14 | 1c13c0a828 |
15 | 1005629085 |
hex | 8f713ae34 |
38505000500 has 48 divisors (see below), whose sum is σ = 85350143424. Its totient is φ = 15172106400.
The previous prime is 38505000497. The next prime is 38505000509. The reversal of 38505000500 is 500050583.
It is a self number, because there is not a number n which added to its sum of digits gives 38505000500.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38505000509) 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, 541202 + ... + 608201.
It is an arithmetic number, because the mean of its divisors is an integer number (1778127988).
Almost surely, 238505000500 is an apocalyptic number.
It is an amenable number.
38505000500 is an abundant number, since it is smaller than the sum of its proper divisors (46845142924).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38505000500 is a wasteful number, since it uses less digits than its factorization.
38505000500 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1149489 (or 1149477 counting only the distinct ones).
The product of its (nonzero) digits is 3000, while the sum is 26.
The spelling of 38505000500 in words is "thirty-eight billion, five hundred five million, five hundred", and thus it is an aban number.
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