Search a number
-
+
38144815450 = 2527177761331
BaseRepresentation
bin100011100001100110…
…111011000101011010
310122110101012101201121
4203201212323011122
51111110033043300
625305023435454
72520156403330
oct434146730532
9118411171647
1038144815450
11151a4832475
127486755b8a
13379b910321
141bbc04bb50
15ed3bcc81a
hex8e19bb15a

38144815450 has 48 divisors (see below), whose sum is σ = 81131932224. Its totient is φ = 13070649600.

The previous prime is 38144815439. The next prime is 38144815459. The reversal of 38144815450 is 5451844183.

38144815450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 38144815397 and 38144815406.

It is not an unprimeable number, because it can be changed into a prime (38144815459) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 591285 + ... + 652615.

It is an arithmetic number, because the mean of its divisors is an integer number (1690248588).

Almost surely, 238144815450 is an apocalyptic number.

38144815450 is an abundant number, since it is smaller than the sum of its proper divisors (42987116774).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38144815450 is a wasteful number, since it uses less digits than its factorization.

38144815450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63127 (or 63122 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 43.

The spelling of 38144815450 in words is "thirty-eight billion, one hundred forty-four million, eight hundred fifteen thousand, four hundred fifty".

Divisors: 1 2 5 7 10 14 25 35 50 70 175 350 1777 3554 8885 12439 17770 24878 44425 61331 62195 88850 122662 124390 306655 310975 429317 613310 621950 858634 1533275 2146585 3066550 4293170 10732925 21465850 108985187 217970374 544925935 762896309 1089851870 1525792618 2724629675 3814481545 5449259350 7628963090 19072407725 38144815450