Base | Representation |
---|---|
bin | 111101000000001010… |
… | …1110110110110001111 |
3 | 110112010202210220202012 |
4 | 1322000111312312033 |
5 | 4121243032412312 |
6 | 140103120251435 |
7 | 12315233413100 |
oct | 1720025666617 |
9 | 415122726665 |
10 | 131002232207 |
11 | 50615388010 |
12 | 21480470b7b |
13 | c479713a42 |
14 | 64aa6383a7 |
15 | 361ad36322 |
hex | 1e80576d8f |
131002232207 has 24 divisors (see below), whose sum is σ = 166933994832. Its totient is φ = 101655993600.
The previous prime is 131002232191. The next prime is 131002232209. The reversal of 131002232207 is 702232200131.
It is not a de Polignac number, because 131002232207 - 24 = 131002232191 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131002232209) 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, 374348 + ... + 634145.
It is an arithmetic number, because the mean of its divisors is an integer number (6955583118).
Almost surely, 2131002232207 is an apocalyptic number.
131002232207 is a deficient number, since it is larger than the sum of its proper divisors (35931762625).
131002232207 is a wasteful number, since it uses less digits than its factorization.
131002232207 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1008759 (or 1008752 counting only the distinct ones).
The product of its (nonzero) digits is 1008, while the sum is 23.
Adding to 131002232207 its reverse (702232200131), we get a palindrome (833234432338).
The spelling of 131002232207 in words is "one hundred thirty-one billion, two million, two hundred thirty-two thousand, two hundred seven".
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