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13212055353 = 377910973063
BaseRepresentation
bin11000100110111111…
…11111011100111001
31021002202210221201110
430103133333130321
5204024241232403
610023004110533
7645256421550
oct142337773471
937082727643
1013212055353
11566a951812
122688835449
1313272ba243
148d49a8d97
15524d8d103
hex3137ff739

13212055353 has 32 divisors (see below), whose sum is σ = 20574822400. Its totient is φ = 7385691456.

The previous prime is 13212055321. The next prime is 13212055357. The reversal of 13212055353 is 35355021231.

It is not a de Polignac number, because 13212055353 - 25 = 13212055321 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13212055353.

It is not an unprimeable number, because it can be changed into a prime (13212055357) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 144300 + ... + 217362.

It is an arithmetic number, because the mean of its divisors is an integer number (642963200).

Almost surely, 213212055353 is an apocalyptic number.

It is an amenable number.

13212055353 is a deficient number, since it is larger than the sum of its proper divisors (7362767047).

13212055353 is a wasteful number, since it uses less digits than its factorization.

13212055353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73261.

The product of its (nonzero) digits is 13500, while the sum is 30.

Adding to 13212055353 its reverse (35355021231), we get a palindrome (48567076584).

The spelling of 13212055353 in words is "thirteen billion, two hundred twelve million, fifty-five thousand, three hundred fifty-three".

Divisors: 1 3 7 21 79 109 237 327 553 763 1659 2289 8611 25833 60277 73063 180831 219189 511441 1534323 5771977 7963867 17315931 23891601 40403839 55747069 121211517 167241207 629145493 1887436479 4404018451 13212055353