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13456255265431 = 1115144918042979
BaseRepresentation
bin1100001111010000011101…
…0100001010101010010111
31202122101221120021110220121
43003310013110022222113
53230431402321443211
644341415054212411
72556116356355536
oct303640724125227
952571846243817
1013456255265431
1143188473256a0
121613ab47b4107
13767bc4c99464
143474015b431d
15185064b82271
hexc3d0750aa97

13456255265431 has 16 divisors (see below), whose sum is σ = 14809677984000. Its totient is φ = 12124881216000.

The previous prime is 13456255265423. The next prime is 13456255265447.

13456255265431 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 13456255265431 - 23 = 13456255265423 is a prime.

It is a super-2 number, since 2×134562552654312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13456255265471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8275701 + ... + 9767278.

It is an arithmetic number, because the mean of its divisors is an integer number (925604874000).

Almost surely, 213456255265431 is an apocalyptic number.

13456255265431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13456255265431 is a deficient number, since it is larger than the sum of its proper divisors (1353422718569).

13456255265431 is a wasteful number, since it uses less digits than its factorization.

13456255265431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18043590.

The product of its digits is 12960000, while the sum is 52.

The spelling of 13456255265431 in words is "thirteen trillion, four hundred fifty-six billion, two hundred fifty-five million, two hundred sixty-five thousand, four hundred thirty-one".

Divisors: 1 11 151 449 1661 4939 67799 745789 18042979 198472769 2724489829 8101297571 29969388119 89114273281 1223295933221 13456255265431