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13540510520011 = 74933180701567
BaseRepresentation
bin1100010100001010010101…
…0100011101001011001011
31202221110102110101212211001
43011002211110131023023
53233321431143120021
644444231420515431
72565161321252266
oct305024524351313
952843373355731
1013540510520011
1143505532084a2
1216282a96abb77
13772b31884c97
1434b515549cdd
151873469e7091
hexc50a551d2cb

13540510520011 has 4 divisors (see below), whose sum is σ = 13540691296512. Its totient is φ = 13540329743512.

The previous prime is 13540510519979. The next prime is 13540510520039. The reversal of 13540510520011 is 11002501504531.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13540510520011 - 25 = 13540510519979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13540510520081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90275851 + ... + 90425716.

It is an arithmetic number, because the mean of its divisors is an integer number (3385172824128).

Almost surely, 213540510520011 is an apocalyptic number.

13540510520011 is a deficient number, since it is larger than the sum of its proper divisors (180776501).

13540510520011 is an equidigital number, since it uses as much as digits as its factorization.

13540510520011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180776500.

The product of its (nonzero) digits is 3000, while the sum is 28.

The spelling of 13540510520011 in words is "thirteen trillion, five hundred forty billion, five hundred ten million, five hundred twenty thousand, eleven".

Divisors: 1 74933 180701567 13540510520011