Search a number
-
+
24230133640 = 2354317098243
BaseRepresentation
bin10110100100001110…
…100111111110001000
32022112122021022201001
4112210032213332020
5344110403234030
615044155504344
71515305511016
oct264416477610
968478238631
1024230133640
11a304308039
1248427580b4
132391ba43ab
14125c0238b6
1596c2edcca
hex5a43a7f88

24230133640 has 64 divisors (see below), whose sum is σ = 55825070400. Its totient is φ = 9459969792.

The previous prime is 24230133637. The next prime is 24230133671. The reversal of 24230133640 is 4633103242.

It is a junction number, because it is equal to n+sod(n) for n = 24230133599 and 24230133608.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2935359 + ... + 2943601.

It is an arithmetic number, because the mean of its divisors is an integer number (872266725).

Almost surely, 224230133640 is an apocalyptic number.

24230133640 is a gapful number since it is divisible by the number (20) 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 24230133640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27912535200).

24230133640 is an abundant number, since it is smaller than the sum of its proper divisors (31594936760).

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

24230133640 is a wasteful number, since it uses less digits than its factorization.

24230133640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10006 (or 10002 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 24230133640 its reverse (4633103242), we get a palindrome (28863236882).

The spelling of 24230133640 in words is "twenty-four billion, two hundred thirty million, one hundred thirty-three thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 20 40 43 86 172 215 344 430 860 1709 1720 3418 6836 8243 8545 13672 16486 17090 32972 34180 41215 65944 68360 73487 82430 146974 164860 293948 329720 354449 367435 587896 708898 734870 1417796 1469740 1772245 2835592 2939480 3544490 7088980 14087287 14177960 28174574 56349148 70436435 112698296 140872870 281745740 563491480 605753341 1211506682 2423013364 3028766705 4846026728 6057533410 12115066820 24230133640