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13528260443 = 103699130457
BaseRepresentation
bin11001001100101100…
…01101111101011011
31021220210210211120002
430212112031331123
5210201213313233
610114221323215
7656146213355
oct144626157533
937823724502
1013528260443
115812394335
12275670650b
131377970049
1492499a0d5
155429ed6e8
hex32658df5b

13528260443 has 4 divisors (see below), whose sum is σ = 13528494600. Its totient is φ = 13528026288.

The previous prime is 13528260419. The next prime is 13528260467. The reversal of 13528260443 is 34406282531.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (13528260419) and next prime (13528260467).

It is a cyclic number.

It is not a de Polignac number, because 13528260443 - 210 = 13528259419 is a prime.

It is a super-2 number, since 2×135282604432 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13528260397 and 13528260406.

It is not an unprimeable number, because it can be changed into a prime (13528260413) 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, 38471 + ... + 168927.

It is an arithmetic number, because the mean of its divisors is an integer number (3382123650).

Almost surely, 213528260443 is an apocalyptic number.

13528260443 is a deficient number, since it is larger than the sum of its proper divisors (234157).

13528260443 is a wasteful number, since it uses less digits than its factorization.

13528260443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234156.

The product of its (nonzero) digits is 138240, while the sum is 38.

The spelling of 13528260443 in words is "thirteen billion, five hundred twenty-eight million, two hundred sixty thousand, four hundred forty-three".

Divisors: 1 103699 130457 13528260443