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13223243224 = 2337178924971
BaseRepresentation
bin11000101000010101…
…01010110111011000
31021010112212100121001
430110022222313120
5204040122240344
610024043554344
7645453466342
oct142412526730
937115770531
1013223243224
1156761a3394
12269052b9b4
131329706699
148d627c292
15525d4ced4
hex3142aadd8

13223243224 has 32 divisors (see below), whose sum is σ = 25478931600. Its totient is φ = 6429075840.

The previous prime is 13223243221. The next prime is 13223243227. The reversal of 13223243224 is 42234232231.

It is an interprime number because it is at equal distance from previous prime (13223243221) and next prime (13223243227).

It is a super-2 number, since 2×132232432242 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13223243192 and 13223243201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13223243221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 517059 + ... + 542029.

Almost surely, 213223243224 is an apocalyptic number.

It is an amenable number.

13223243224 is a deficient number, since it is larger than the sum of its proper divisors (12255688376).

13223243224 is a wasteful number, since it uses less digits than its factorization.

13223243224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26803 (or 26799 counting only the distinct ones).

The product of its digits is 13824, while the sum is 28.

Adding to 13223243224 its reverse (42234232231), we get a palindrome (55457475455).

The spelling of 13223243224 in words is "thirteen billion, two hundred twenty-three million, two hundred forty-three thousand, two hundred twenty-four".

Divisors: 1 2 4 8 37 74 148 296 1789 3578 7156 14312 24971 49942 66193 99884 132386 199768 264772 529544 923927 1847854 3695708 7391416 44673119 89346238 178692476 357384952 1652905403 3305810806 6611621612 13223243224