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13351443325 = 5211531277213
BaseRepresentation
bin11000110111100111…
…01101101101111101
31021110111002121001221
430123303231231331
5204320432141300
610044503433341
7651601252513
oct143363555575
937414077057
1013351443325
1157315a5a90
122707455851
13134a141b2c
149092d04b3
1553222331a
hex31bcedb7d

13351443325 has 48 divisors (see below), whose sum is σ = 18549098496. Its totient is φ = 9450604800.

The previous prime is 13351443257. The next prime is 13351443353. The reversal of 13351443325 is 52334415331.

It is not a de Polignac number, because 13351443325 - 213 = 13351435133 is a prime.

It is a super-2 number, since 2×133514433252 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1847419 + ... + 1854631.

It is an arithmetic number, because the mean of its divisors is an integer number (386439552).

Almost surely, 213351443325 is an apocalyptic number.

It is an amenable number.

13351443325 is a deficient number, since it is larger than the sum of its proper divisors (5197655171).

13351443325 is a wasteful number, since it uses less digits than its factorization.

13351443325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7414 (or 7409 counting only the distinct ones).

The product of its digits is 64800, while the sum is 34.

Adding to 13351443325 its reverse (52334415331), we get a palindrome (65685858656).

The spelling of 13351443325 in words is "thirteen billion, three hundred fifty-one million, four hundred forty-three thousand, three hundred twenty-five".

Divisors: 1 5 11 25 53 55 127 265 275 583 635 1325 1397 2915 3175 6731 6985 7213 14575 33655 34925 36065 74041 79343 168275 180325 370205 382289 396715 916051 1851025 1911445 1983575 4205179 4580255 9557225 10076561 21025895 22901275 48550703 50382805 105129475 242753515 251914025 534057733 1213767575 2670288665 13351443325