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13016861143 = 1113243162839
BaseRepresentation
bin11000001111101110…
…11000100111010111
31020121011112001121021
430013313120213113
5203124304024033
65551352302011
7640366331326
oct140767304727
936534461537
1013016861143
11557a751490
1226333a1907
1312c5a26500
148b6ab80bd
15512b82b2d
hex307dd89d7

13016861143 has 24 divisors (see below), whose sum is σ = 15734252160. Its totient is φ = 10669145760.

The previous prime is 13016861141. The next prime is 13016861153. The reversal of 13016861143 is 34116861031.

It is not a de Polignac number, because 13016861143 - 21 = 13016861141 is a prime.

It is a super-2 number, since 2×130168611432 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13016861099 and 13016861108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13016861141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1483 + ... + 161356.

It is an arithmetic number, because the mean of its divisors is an integer number (655593840).

Almost surely, 213016861143 is an apocalyptic number.

13016861143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13016861143 is a deficient number, since it is larger than the sum of its proper divisors (2717391017).

13016861143 is a wasteful number, since it uses less digits than its factorization.

13016861143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162919 (or 162906 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The spelling of 13016861143 in words is "thirteen billion, sixteen million, eight hundred sixty-one thousand, one hundred forty-three".

Divisors: 1 11 13 43 143 169 473 559 1859 6149 7267 79937 162839 1791229 2116907 7002077 23285977 27519791 77022847 91027001 302717701 1001297011 1183351013 13016861143