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13244512543 = 55740995801
BaseRepresentation
bin11000101010110111…
…10011100100011111
31021012000212221121121
430111123303210133
5204111043400133
610030123511411
7646132333123
oct142533634437
937160787547
1013244512543
115687200339
122697688567
131330c42792
148d9017583
15527b5002d
hex3156f391f

13244512543 has 8 divisors (see below), whose sum is σ = 13273815600. Its totient is φ = 13215230400.

The previous prime is 13244512529. The next prime is 13244512549. The reversal of 13244512543 is 34521544231.

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 13244512543 - 221 = 13242415391 is a prime.

It is a super-2 number, since 2×132445125432 (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 = 13244512499 and 13244512508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13244512549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2280243 + ... + 2286043.

It is an arithmetic number, because the mean of its divisors is an integer number (1659226950).

Almost surely, 213244512543 is an apocalyptic number.

13244512543 is a deficient number, since it is larger than the sum of its proper divisors (29303057).

13244512543 is an equidigital number, since it uses as much as digits as its factorization.

13244512543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10457.

The product of its digits is 57600, while the sum is 34.

The spelling of 13244512543 in words is "thirteen billion, two hundred forty-four million, five hundred twelve thousand, five hundred forty-three".

Divisors: 1 557 4099 5801 2283143 3231157 23778299 13244512543