Base | Representation |
---|---|
bin | 1011101010111000101101… |
… | …1010101100111100010111 |
3 | 1200102200002202210112012100 |
4 | 2322232023122230330113 |
5 | 3140212210011033012 |
6 | 43142400001253143 |
7 | 2463016132236354 |
oct | 272561332547427 |
9 | 50380082715170 |
10 | 12831406346007 |
11 | 40a7850406157 |
12 | 15329900341b3 |
13 | 720cc51c2442 |
14 | 32508707362b |
15 | 173b935368dc |
hex | bab8b6acf17 |
12831406346007 has 6 divisors (see below), whose sum is σ = 18534253610912. Its totient is φ = 8554270897332.
The previous prime is 12831406345999. The next prime is 12831406346027. The reversal of 12831406346007 is 70064360413821.
12831406346007 is a `hidden beast` number, since 1 + 2 + 8 + 3 + 1 + 4 + 0 + 6 + 34 + 600 + 7 = 666.
It is not a de Polignac number, because 12831406346007 - 23 = 12831406345999 is a prime.
It is a super-2 number, since 2×128314063460072 (a number of 27 digits) contains 22 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 (12831406346027) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 712855908103 + ... + 712855908120.
Almost surely, 212831406346007 is an apocalyptic number.
12831406346007 is a deficient number, since it is larger than the sum of its proper divisors (5702847264905).
12831406346007 is a wasteful number, since it uses less digits than its factorization.
12831406346007 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1425711816229 (or 1425711816226 counting only the distinct ones).
The product of its (nonzero) digits is 580608, while the sum is 45.
Adding to 12831406346007 its reverse (70064360413821), we get a palindrome (82895766759828).
The spelling of 12831406346007 in words is "twelve trillion, eight hundred thirty-one billion, four hundred six million, three hundred forty-six thousand, seven".
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