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13104042401021 = 11131913735204249
BaseRepresentation
bin1011111010110000010111…
…0010101101110011111101
31201101201211020122010020112
42332230011302231303331
53204144034323313041
643511525230155405
72521510246411535
oct276540562556375
951351736563215
1013104042401021
1141a243634a590
121577799352b65
13740923b13c10
1433434bcb64c5
1517aced71edeb
hexbeb05cadcfd

13104042401021 has 32 divisors (see below), whose sum is σ = 16323506640000. Its totient is φ = 10341599892480.

The previous prime is 13104042400987. The next prime is 13104042401033. The reversal of 13104042401021 is 12010424040131.

It is a cyclic number.

It is not a de Polignac number, because 13104042401021 - 26 = 13104042400957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13104042401041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17229896 + ... + 17974353.

It is an arithmetic number, because the mean of its divisors is an integer number (510109582500).

Almost surely, 213104042401021 is an apocalyptic number.

13104042401021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13104042401021 is a deficient number, since it is larger than the sum of its proper divisors (3219464238979).

13104042401021 is a wasteful number, since it uses less digits than its factorization.

13104042401021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35204429.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 13104042401021 its reverse (12010424040131), we get a palindrome (25114466441152).

The spelling of 13104042401021 in words is "thirteen trillion, one hundred four billion, forty-two million, four hundred one thousand, twenty-one".

Divisors: 1 11 13 19 137 143 209 247 1507 1781 2603 2717 19591 28633 33839 372229 35204249 387246739 457655237 668880731 4822982113 5034207607 7357688041 8695449503 53052803243 62698767469 91636660147 95649944533 689686442159 1008003261617 1191276581911 13104042401021