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13122211202321 = 13191392715212707
BaseRepresentation
bin1011111011110100000010…
…1111001100010100010001
31201110110201110102212010012
42332331000233030110101
53204443242031433241
643524132142444305
72523022424600654
oct276750057142421
951413643385105
1013122211202321
1141aa10a145951
12157b209b93695
1374255acc7010
14335192cc389b
1517b51381d6eb
hexbef40bcc511

13122211202321 has 64 divisors (see below), whose sum is σ = 15072112742400. Its totient is φ = 11324726899200.

The previous prime is 13122211202293. The next prime is 13122211202341. The reversal of 13122211202321 is 12320211222131.

13122211202321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2k-13122211202321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13122211202341) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4847509250 + ... + 4847511956.

It is an arithmetic number, because the mean of its divisors is an integer number (235501761600).

Almost surely, 213122211202321 is an apocalyptic number.

It is an amenable number.

13122211202321 is a deficient number, since it is larger than the sum of its proper divisors (1949901540079).

13122211202321 is a wasteful number, since it uses less digits than its factorization.

13122211202321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3670.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 13122211202321 its reverse (12320211222131), we get a palindrome (25442422424452).

The spelling of 13122211202321 in words is "thirteen trillion, one hundred twenty-two billion, two hundred eleven million, two hundred two thousand, three hundred twenty-one".

Divisors: 1 13 19 139 247 271 521 1807 2641 2707 3523 5149 6773 9899 34333 35191 37669 51433 66937 72419 128687 141191 376273 489697 668629 715711 733597 941447 1375961 1410347 1835483 2682629 4891549 7149187 9304243 9536761 13938343 17887493 18334511 19625549 26796593 34874177 92939431 101969983 181198459 196038233 255132137 348355709 372885431 382204037 1325609779 1937429677 2548497029 3724726427 4847510603 4968652481 7261876703 25186585801 48421443551 53126361143 94404397139 690642694859 1009400861717 13122211202321