Base | Representation |
---|---|
bin | 11001000001000001… |
… | …11010100001101011 |
3 | 1021122222200001211010 |
4 | 30200200322201223 |
5 | 210001140314011 |
6 | 10100404035003 |
7 | 653550345300 |
oct | 144040724153 |
9 | 37588601733 |
10 | 13430401131 |
11 | 5772125174 |
12 | 2729992a63 |
13 | 13605c8a24 |
14 | 9159a50a7 |
15 | 53911d1a6 |
hex | 32083a86b |
13430401131 has 24 divisors (see below), whose sum is σ = 20841958800. Its totient is φ = 7670413632.
The previous prime is 13430401129. The next prime is 13430401139. The reversal of 13430401131 is 13110403431.
It is not a de Polignac number, because 13430401131 - 21 = 13430401129 is a prime.
It is a super-2 number, since 2×134304011312 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a junction number, because it is equal to n+sod(n) for n = 13430401098 and 13430401107.
It is not an unprimeable number, because it can be changed into a prime (13430401139) 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, 263065 + ... + 309941.
It is an arithmetic number, because the mean of its divisors is an integer number (868414950).
Almost surely, 213430401131 is an apocalyptic number.
13430401131 is a deficient number, since it is larger than the sum of its proper divisors (7411557669).
13430401131 is a wasteful number, since it uses less digits than its factorization.
13430401131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 48843 (or 48836 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 21.
Adding to 13430401131 its reverse (13110403431), we get a palindrome (26540804562).
The spelling of 13430401131 in words is "thirteen billion, four hundred thirty million, four hundred one thousand, one hundred thirty-one".
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