Search a number
-
+
124355031378 = 23372693835437
BaseRepresentation
bin111001111010000100…
…0110011000101010010
3102212222111221010102220
41303310020303011102
54014134342001003
6133043343521510
711661430216614
oct1636410630522
9385874833386
10124355031378
114881419a706
12201262b9296
13b95a534106
1460398b6db4
15337c4aa353
hex1cf4233152

124355031378 has 64 divisors (see below), whose sum is σ = 257098199040. Its totient is φ = 40069147392.

The previous prime is 124355031377. The next prime is 124355031473. The reversal of 124355031378 is 873130553421.

It is not an unprimeable number, because it can be changed into a prime (124355031377) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 22869276 + ... + 22874712.

It is an arithmetic number, because the mean of its divisors is an integer number (4017159360).

Almost surely, 2124355031378 is an apocalyptic number.

124355031378 is an abundant number, since it is smaller than the sum of its proper divisors (132743167662).

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

124355031378 is a wasteful number, since it uses less digits than its factorization.

124355031378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6131.

The product of its (nonzero) digits is 302400, while the sum is 42.

Adding to 124355031378 its reverse (873130553421), we get a palindrome (997485584799).

The spelling of 124355031378 in words is "one hundred twenty-four billion, three hundred fifty-five million, thirty-one thousand, three hundred seventy-eight".

Divisors: 1 2 3 6 37 74 111 222 269 383 538 766 807 1149 1614 2298 5437 9953 10874 14171 16311 19906 28342 29859 32622 42513 59718 85026 103027 201169 206054 309081 402338 603507 618162 1207014 1462553 2082371 2925106 3811999 4164742 4387659 6247113 7623998 8775318 11435997 12494226 22871994 54114461 77047727 108228922 154095454 162343383 231143181 324686766 462286362 560157799 1120315598 1680473397 3360946794 20725838563 41451677126 62177515689 124355031378