Base | Representation |
---|---|
bin | 11000001111101110… |
… | …11000100111010111 |
3 | 1020121011112001121021 |
4 | 30013313120213113 |
5 | 203124304024033 |
6 | 5551352302011 |
7 | 640366331326 |
oct | 140767304727 |
9 | 36534461537 |
10 | 13016861143 |
11 | 557a751490 |
12 | 26333a1907 |
13 | 12c5a26500 |
14 | 8b6ab80bd |
15 | 512b82b2d |
hex | 307dd89d7 |
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".
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