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13430430204145 = 519376918098237
BaseRepresentation
bin1100001101110000010000…
…0001011000000011110001
31202112221021202212102210021
43003130010001120003301
53230021010113013040
644321504321403441
72554213403101633
oct303340401300361
952487252772707
1013430430204145
1143088a47a0939
12160aaa7a99581
1376563a846cc6
1434607181aa53
1518455283724a
hexc37040580f1

13430430204145 has 16 divisors (see below), whose sum is σ = 16221088754640. Its totient is φ = 10674773950464.

The previous prime is 13430430204127. The next prime is 13430430204203. The reversal of 13430430204145 is 54140203403431.

It can be written as a sum of positive squares in 8 ways, for example, as 3211149313024 + 10219280891121 = 1791968^2 + 3196761^2 .

It is a cyclic number.

It is not a de Polignac number, because 13430430204145 - 215 = 13430430171377 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13430430204145.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8307034 + ... + 9791203.

It is an arithmetic number, because the mean of its divisors is an integer number (1013818047165).

Almost surely, 213430430204145 is an apocalyptic number.

It is an amenable number.

13430430204145 is a deficient number, since it is larger than the sum of its proper divisors (2790658550495).

13430430204145 is a wasteful number, since it uses less digits than its factorization.

13430430204145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18099204.

The product of its (nonzero) digits is 69120, while the sum is 34.

Adding to 13430430204145 its reverse (54140203403431), we get a palindrome (67570633607576).

The spelling of 13430430204145 in words is "thirteen trillion, four hundred thirty billion, four hundred thirty million, two hundred four thousand, one hundred forty-five".

Divisors: 1 5 193 769 965 3845 148417 742085 18098237 90491185 3492959741 13917544253 17464798705 69587721265 2686086040829 13430430204145