Base | Representation |
---|---|
bin | 11000011101011011… |
… | …00010000110011111 |
3 | 1020220011122110001121 |
4 | 30032231202012133 |
5 | 203343210002241 |
6 | 10011014151411 |
7 | 643262525152 |
oct | 141655420637 |
9 | 36804573047 |
10 | 13131719071 |
11 | 5629570999 |
12 | 2665952567 |
13 | 131376ca93 |
14 | 8c8055c99 |
15 | 51ccbead1 |
hex | 30eb6219f |
13131719071 has 64 divisors (see below), whose sum is σ = 16024780800. Its totient is φ = 10663833600.
The previous prime is 13131719057. The next prime is 13131719087. The reversal of 13131719071 is 17091713131.
It is not a de Polignac number, because 13131719071 - 227 = 12997501343 is a prime.
It is a super-3 number, since 3×131317190713 (a number of 31 digits) contains 333 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 (13131719011) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11904906 + ... + 11906008.
It is an arithmetic number, because the mean of its divisors is an integer number (250387200).
Almost surely, 213131719071 is an apocalyptic number.
13131719071 is a deficient number, since it is larger than the sum of its proper divisors (2893061729).
13131719071 is a wasteful number, since it uses less digits than its factorization.
13131719071 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1240.
The product of its (nonzero) digits is 3969, while the sum is 34.
The spelling of 13131719071 in words is "thirteen billion, one hundred thirty-one million, seven hundred nineteen thousand, seventy-one".
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