Search a number
-
+
248144945424 = 243291531116437
BaseRepresentation
bin1110011100011010010…
…1110110000100010000
3212201111122111022122020
43213012211312010100
513031200101223144
6305555103211440
723633156143245
oct3470645660420
9781448438566
10248144945424
11962683972a2
12401132a6b80
131a527963b6c
14c0202c75cc
1566c5038419
hex39c6976110

248144945424 has 80 divisors (see below), whose sum is σ = 663584819520. Its totient is φ = 79809891840.

The previous prime is 248144945413. The next prime is 248144945441. The reversal of 248144945424 is 424549441842.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2072934 + ... + 2189370.

It is an arithmetic number, because the mean of its divisors is an integer number (8294810244).

Almost surely, 2248144945424 is an apocalyptic number.

248144945424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 248144945424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (331792409760).

248144945424 is an abundant number, since it is smaller than the sum of its proper divisors (415439874096).

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

248144945424 is a wasteful number, since it uses less digits than its factorization.

248144945424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118008 (or 118002 counting only the distinct ones).

The product of its digits is 5898240, while the sum is 51.

The spelling of 248144945424 in words is "two hundred forty-eight billion, one hundred forty-four million, nine hundred forty-five thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 16 24 29 48 58 87 116 174 232 348 464 696 1392 1531 3062 4593 6124 9186 12248 18372 24496 36744 44399 73488 88798 116437 133197 177596 232874 266394 349311 355192 465748 532788 698622 710384 931496 1065576 1397244 1862992 2131152 2794488 3376673 5588976 6753346 10130019 13506692 20260038 27013384 40520076 54026768 81040152 162080304 178265047 356530094 534795141 713060188 1069590282 1426120376 2139180564 2852240752 4278361128 5169686363 8556722256 10339372726 15509059089 20678745452 31018118178 41357490904 62036236356 82714981808 124072472712 248144945424