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13405510041145 = 517157711882837
BaseRepresentation
bin1100001100010011011010…
…1010011111111000111001
31202110112222001011222202021
43003010312222133320321
53224113441032304040
644302223432034441
72552342015154325
oct303046652377071
952415861158667
1013405510041145
1142a9276a34602
1216060b2232a21
13763198a14921
14344b89cd6985
15183a94b8524a
hexc3136a9fe39

13405510041145 has 8 divisors (see below), whose sum is σ = 17032883346504. Its totient is φ = 10093560501504.

The previous prime is 13405510041071. The next prime is 13405510041191. The reversal of 13405510041145 is 54114001550431.

It can be written as a sum of positive squares in 4 ways, for example, as 1620824349456 + 11784685691689 = 1273116^2 + 3432883^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13405510041145 - 229 = 13404973170233 is a prime.

It is a super-2 number, since 2×134055100411452 (a number of 27 digits) contains 22 as substring.

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 13405510041145.

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, 78855941334 + ... + 78855941503.

It is an arithmetic number, because the mean of its divisors is an integer number (2129110418313).

Almost surely, 213405510041145 is an apocalyptic number.

It is an amenable number.

13405510041145 is a deficient number, since it is larger than the sum of its proper divisors (3627373305359).

13405510041145 is a wasteful number, since it uses less digits than its factorization.

13405510041145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157711882859.

The product of its (nonzero) digits is 24000, while the sum is 34.

Adding to 13405510041145 its reverse (54114001550431), we get a palindrome (67519511591576).

The spelling of 13405510041145 in words is "thirteen trillion, four hundred five billion, five hundred ten million, forty-one thousand, one hundred forty-five".

Divisors: 1 5 17 85 157711882837 788559414185 2681102008229 13405510041145