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13255231455445 = 57378720898727
BaseRepresentation
bin1100000011100011100101…
…0111001100000011010101
31201221012001212111212010211
43000320321113030003111
53214133203223033240
644105211432245421
72535441664233010
oct300707127140325
951835055455124
1013255231455445
11425056a658941
1215a0b52240871
13751c69824775
1433b7b1548377
1517ebeb8c6bea
hexc0e395cc0d5

13255231455445 has 8 divisors (see below), whose sum is σ = 18178603138944. Its totient is φ = 9089301569424.

The previous prime is 13255231455397. The next prime is 13255231455491. The reversal of 13255231455445 is 54455413255231.

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 13255231455445 - 211 = 13255231453397 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 189360449329 + ... + 189360449398.

It is an arithmetic number, because the mean of its divisors is an integer number (2272325392368).

Almost surely, 213255231455445 is an apocalyptic number.

It is an amenable number.

13255231455445 is a deficient number, since it is larger than the sum of its proper divisors (4923371683499).

13255231455445 is an equidigital number, since it uses as much as digits as its factorization.

13255231455445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378720898739.

The product of its digits is 7200000, while the sum is 49.

The spelling of 13255231455445 in words is "thirteen trillion, two hundred fifty-five billion, two hundred thirty-one million, four hundred fifty-five thousand, four hundred forty-five".

Divisors: 1 5 7 35 378720898727 1893604493635 2651046291089 13255231455445