Search a number
-
+
24220385280 = 214325713192
BaseRepresentation
bin10110100011101001…
…011100000000000000
32022111221221001110200
4112203221130000000
5344100404312110
615043210525200
71515126610110
oct264351340000
968457831420
1024220385280
11a2a9859a43
12483b436800
13238cb70230
14125aa07040
1596b5256c0
hex5a3a5c000

24220385280 has 1080 divisors, whose sum is σ = 109062207072. Its totient is φ = 4841275392.

The previous prime is 24220385263. The next prime is 24220385291. The reversal of 24220385280 is 8258302242.

It is a super-2 number, since 2×242203852802 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1274757111 + ... + 1274757129.

Almost surely, 224220385280 is an apocalyptic number.

24220385280 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 24220385280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54531103536).

24220385280 is an abundant number, since it is smaller than the sum of its proper divisors (84841821792).

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

24220385280 is a wasteful number, since it uses less digits than its factorization.

24220385280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97 (or 49 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 36.

The spelling of 24220385280 in words is "twenty-four billion, two hundred twenty million, three hundred eighty-five thousand, two hundred eighty".