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13456001143 = 1317311964093
BaseRepresentation
bin11001000100000101…
…00100100001110111
31021201202211200102201
430202002210201313
5210024214014033
610103120445331
7654311060014
oct144202444167
937652750381
1013456001143
11578561a902
122736479847
1313659c0070
1491914a70b
1553b4c847d
hex3220a4877

13456001143 has 16 divisors (see below), whose sum is σ = 15838454016. Its totient is φ = 11313169920.

The previous prime is 13456001129. The next prime is 13456001171. The reversal of 13456001143 is 34110065431.

It is not a de Polignac number, because 13456001143 - 29 = 13456000631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13456001123) 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, 975196 + ... + 988897.

It is an arithmetic number, because the mean of its divisors is an integer number (989903376).

Almost surely, 213456001143 is an apocalyptic number.

13456001143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13456001143 is a deficient number, since it is larger than the sum of its proper divisors (2382452873).

13456001143 is a wasteful number, since it uses less digits than its factorization.

13456001143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1964154.

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 13456001143 its reverse (34110065431), we get a palindrome (47566066574).

The spelling of 13456001143 in words is "thirteen billion, four hundred fifty-six million, one thousand, one hundred forty-three".

Divisors: 1 13 17 31 221 403 527 6851 1964093 25533209 33389581 60886883 434064553 791529479 1035077011 13456001143