Search a number
-
+
24561042220 = 22511213780707
BaseRepresentation
bin10110110111111100…
…111100001100101100
32100101200221012221101
4112313330330030230
5400300111322340
615141100212444
71526434262041
oct266774741454
970350835841
1024561042220
11a464082600
12491553a124
1324156048a0
14128dd611c8
1598b3b5c9a
hex5b7f3c32c

24561042220 has 72 divisors (see below), whose sum is σ = 61054488432. Its totient is φ = 8244255360.

The previous prime is 24561042139. The next prime is 24561042221. The reversal of 24561042220 is 2224016542.

It is not an unprimeable number, because it can be changed into a prime (24561042221) 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, 358894 + ... + 421813.

It is an arithmetic number, because the mean of its divisors is an integer number (847979006).

Almost surely, 224561042220 is an apocalyptic number.

24561042220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24561042220 is an abundant number, since it is smaller than the sum of its proper divisors (36493446212).

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

24561042220 is a wasteful number, since it uses less digits than its factorization.

24561042220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780751 (or 780738 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 24561042220 its reverse (2224016542), we get a palindrome (26785058762).

The spelling of 24561042220 in words is "twenty-four billion, five hundred sixty-one million, forty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 13 20 22 26 44 52 55 65 110 121 130 143 220 242 260 286 484 572 605 715 1210 1430 1573 2420 2860 3146 6292 7865 15730 31460 780707 1561414 3122828 3903535 7807070 8587777 10149191 15614140 17175554 20298382 34351108 40596764 42938885 50745955 85877770 94465547 101491910 111641101 171755540 188931094 202983820 223282202 377862188 446564404 472327735 558205505 944655470 1116411010 1228052111 1889310940 2232822020 2456104222 4912208444 6140260555 12280521110 24561042220