Base | Representation |
---|---|
bin | 111100101111100101… |
… | …0001101110001000111 |
3 | 110110200222021121221120 |
4 | 1321133022031301013 |
5 | 4114123024012411 |
6 | 135531552245023 |
7 | 12265363505100 |
oct | 1713712156107 |
9 | 413628247846 |
10 | 130445532231 |
11 | 5035a114093 |
12 | 21345b40773 |
13 | c3bb298a81 |
14 | 64567233a7 |
15 | 35d701d106 |
hex | 1e5f28dc47 |
130445532231 has 48 divisors (see below), whose sum is σ = 203144454144. Its totient is φ = 74238540096.
The previous prime is 130445532209. The next prime is 130445532293. The reversal of 130445532231 is 132235544031.
It is not a de Polignac number, because 130445532231 - 25 = 130445532199 is a prime.
It is a super-2 number, since 2×1304455322312 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 130445532192 and 130445532201.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130445532331) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 55342705 + ... + 55345061.
It is an arithmetic number, because the mean of its divisors is an integer number (4232176128).
Almost surely, 2130445532231 is an apocalyptic number.
130445532231 is a deficient number, since it is larger than the sum of its proper divisors (72698921913).
130445532231 is a wasteful number, since it uses less digits than its factorization.
130445532231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3740 (or 3733 counting only the distinct ones).
The product of its (nonzero) digits is 43200, while the sum is 33.
The spelling of 130445532231 in words is "one hundred thirty billion, four hundred forty-five million, five hundred thirty-two thousand, two hundred thirty-one".
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