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13121313331102 = 2102671387346061
BaseRepresentation
bin1011111011110000101100…
…1110000101011110011110
31201110101101212221021100121
42332330023032011132132
53204434422203043402
643523503110145154
72522661243036424
oct276741316053636
951411355837317
1013121313331102
1141a9799337a19
12157abb93521ba
13742446c97582
1433510995d114
1517b4aeab2837
hexbef0b38579e

13121313331102 has 16 divisors (see below), whose sum is σ = 19685733247152. Its totient is φ = 6559402389120.

The previous prime is 13121313331013. The next prime is 13121313331127. The reversal of 13121313331102 is 20113331312131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 284845152 + ... + 284891212.

It is an arithmetic number, because the mean of its divisors is an integer number (1230358327947).

Almost surely, 213121313331102 is an apocalyptic number.

13121313331102 is a deficient number, since it is larger than the sum of its proper divisors (6564419916050).

13121313331102 is a wasteful number, since it uses less digits than its factorization.

13121313331102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70203.

The product of its (nonzero) digits is 972, while the sum is 25.

Adding to 13121313331102 its reverse (20113331312131), we get a palindrome (33234644643233).

The spelling of 13121313331102 in words is "thirteen trillion, one hundred twenty-one billion, three hundred thirteen million, three hundred thirty-one thousand, one hundred two".

Divisors: 1 2 10267 13873 20534 27746 46061 92122 142434091 284868182 472908287 639004253 945816574 1278008506 6560656665551 13121313331102