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24544012420 = 2251227200621
BaseRepresentation
bin10110110110111011…
…111110100010000100
32100100111220000110001
4112312323332202010
5400231231344140
615135251211044
71526136443344
oct266673764204
970314800401
1024544012420
11a455500894
12490b8a6a84
132411c21395
14128b9aad24
15989b4ee9a
hex5b6efe884

24544012420 has 12 divisors (see below), whose sum is σ = 51542426124. Its totient is φ = 9817604960.

The previous prime is 24544012393. The next prime is 24544012439. The reversal of 24544012420 is 2421044542.

It can be written as a sum of positive squares in 2 ways, for example, as 13676366916 + 10867645504 = 116946^2 + 104248^2 .

It is a super-2 number, since 2×245440124202 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 613600291 + ... + 613600330.

It is an arithmetic number, because the mean of its divisors is an integer number (4295202177).

Almost surely, 224544012420 is an apocalyptic number.

24544012420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24544012420 is an abundant number, since it is smaller than the sum of its proper divisors (26998413704).

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

24544012420 is a wasteful number, since it uses less digits than its factorization.

24544012420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1227200630 (or 1227200628 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 28.

Adding to 24544012420 its reverse (2421044542), we get a palindrome (26965056962).

The spelling of 24544012420 in words is "twenty-four billion, five hundred forty-four million, twelve thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 1227200621 2454401242 4908802484 6136003105 12272006210 24544012420