Base | Representation |
---|---|
bin | 100100001100110010… |
… | …100100001001000111 |
3 | 10201022212102101112120 |
4 | 210030302210021013 |
5 | 1114101014144440 |
6 | 25504543421023 |
7 | 2544134330613 |
oct | 441462441107 |
9 | 121285371476 |
10 | 38869287495 |
11 | 15536776aa5 |
12 | 76492b4773 |
13 | 3885a3a4cc |
14 | 1c4a356343 |
15 | 10275d5dd0 |
hex | 90cca4247 |
38869287495 has 8 divisors (see below), whose sum is σ = 62190860016. Its totient is φ = 20730286656.
The previous prime is 38869287491. The next prime is 38869287503. The reversal of 38869287495 is 59478296883.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 38869287495 - 22 = 38869287491 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38869287491) 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, 1295642902 + ... + 1295642931.
It is an arithmetic number, because the mean of its divisors is an integer number (7773857502).
Almost surely, 238869287495 is an apocalyptic number.
38869287495 is a deficient number, since it is larger than the sum of its proper divisors (23321572521).
38869287495 is a wasteful number, since it uses less digits than its factorization.
38869287495 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2591285841.
The product of its digits is 209018880, while the sum is 69.
The spelling of 38869287495 in words is "thirty-eight billion, eight hundred sixty-nine million, two hundred eighty-seven thousand, four hundred ninety-five".
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