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12424255445 = 571572638597
BaseRepresentation
bin10111001001000101…
…10001011111010101
31012001212102120102002
423210202301133111
5200421102133240
65412502525045
7616612300040
oct134442613725
935055376362
1012424255445
1152a6194008
1224a8a36785
131230019454
1485c0d7c57
154cab25d15
hex2e48b17d5

12424255445 has 32 divisors (see below), whose sum is σ = 17214709248. Its totient is φ = 8432057088.

The previous prime is 12424255433. The next prime is 12424255463. The reversal of 12424255445 is 54455242421.

It is not a de Polignac number, because 12424255445 - 222 = 12420061141 is a prime.

It is a super-2 number, since 2×124242554452 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12424255399 and 12424255408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1440887 + ... + 1449483.

It is an arithmetic number, because the mean of its divisors is an integer number (537959664).

Almost surely, 212424255445 is an apocalyptic number.

It is an amenable number.

12424255445 is a deficient number, since it is larger than the sum of its proper divisors (4790453803).

12424255445 is a wasteful number, since it uses less digits than its factorization.

12424255445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9029.

The product of its digits is 256000, while the sum is 38.

Adding to 12424255445 its reverse (54455242421), we get a palindrome (66879497866).

The spelling of 12424255445 in words is "twelve billion, four hundred twenty-four million, two hundred fifty-five thousand, four hundred forty-five".

Divisors: 1 5 7 35 157 263 785 1099 1315 1841 5495 8597 9205 41291 42985 60179 206455 289037 300895 1349729 1445185 2261011 6748645 9448103 11305055 15827077 47240515 79135385 354978727 1774893635 2484851089 12424255445