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13215345142325 = 521927821779247
BaseRepresentation
bin1100000001001110111111…
…1100111110101000110101
31201210101010010101012201112
43000103233330332220311
53213010011324023300
644035013514204405
72532530400200564
oct300235774765065
951711103335645
1013215345142325
11423566189a4a7
121595280423705
1374b281198761
143398aa0d1bdb
1517db64d99e35
hexc04eff3ea35

13215345142325 has 12 divisors (see below), whose sum is σ = 17249503133760. Its totient is φ = 10015840528560.

The previous prime is 13215345142297. The next prime is 13215345142343. The reversal of 13215345142325 is 52324154351231.

It is not a de Polignac number, because 13215345142325 - 218 = 13215344880181 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13910889149 + ... + 13910890098.

It is an arithmetic number, because the mean of its divisors is an integer number (1437458594480).

Almost surely, 213215345142325 is an apocalyptic number.

It is an amenable number.

13215345142325 is a deficient number, since it is larger than the sum of its proper divisors (4034157991435).

13215345142325 is a wasteful number, since it uses less digits than its factorization.

13215345142325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27821779276 (or 27821779271 counting only the distinct ones).

The product of its digits is 432000, while the sum is 41.

Adding to 13215345142325 its reverse (52324154351231), we get a palindrome (65539499493556).

The spelling of 13215345142325 in words is "thirteen trillion, two hundred fifteen billion, three hundred forty-five million, one hundred forty-two thousand, three hundred twenty-five".

Divisors: 1 5 19 25 95 475 27821779247 139108896235 528613805693 695544481175 2643069028465 13215345142325