Search a number
-
+
38869287495 = 352591285833
BaseRepresentation
bin100100001100110010…
…100100001001000111
310201022212102101112120
4210030302210021013
51114101014144440
625504543421023
72544134330613
oct441462441107
9121285371476
1038869287495
1115536776aa5
1276492b4773
133885a3a4cc
141c4a356343
1510275d5dd0
hex90cca4247

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".

Divisors: 1 3 5 15 2591285833 7773857499 12956429165 38869287495