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13381252569705 = 351018832509947
BaseRepresentation
bin1100001010111001000011…
…0011100101101001101001
31202101020100111110202122010
43002232100303211221221
53223214301124212310
644243132414150133
72550522625103256
oct302562063455151
952336314422563
1013381252569705
114299a59255249
1216014624b2349
13760b0128b227
143439283d842d
15183125286320
hexc2b90ce5a69

13381252569705 has 16 divisors (see below), whose sum is σ = 21621984352704. Its totient is φ = 7066007956800.

The previous prime is 13381252569691. The next prime is 13381252569721. The reversal of 13381252569705 is 50796525218331.

It is not a de Polignac number, because 13381252569705 - 25 = 13381252569673 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4416253459 + ... + 4416256488.

It is an arithmetic number, because the mean of its divisors is an integer number (1351374022044).

Almost surely, 213381252569705 is an apocalyptic number.

13381252569705 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13381252569705 is a deficient number, since it is larger than the sum of its proper divisors (8240731782999).

13381252569705 is a wasteful number, since it uses less digits than its factorization.

13381252569705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8832510056.

The product of its (nonzero) digits is 13608000, while the sum is 57.

The spelling of 13381252569705 in words is "thirteen trillion, three hundred eighty-one billion, two hundred fifty-two million, five hundred sixty-nine thousand, seven hundred five".

Divisors: 1 3 5 15 101 303 505 1515 8832509947 26497529841 44162549735 132487649205 892083504647 2676250513941 4460417523235 13381252569705