Base | Representation |
---|---|
bin | 1100110101000110100… |
… | …1010101111101001111 |
3 | 210001220222011211221000 |
4 | 3031101221111331033 |
5 | 12102401224440211 |
6 | 245131214111343 |
7 | 21632020434213 |
oct | 3152151257517 |
9 | 701828154830 |
10 | 220413124431 |
11 | 8552750a775 |
12 | 36873aab553 |
13 | 17a28482126 |
14 | a94d1c6943 |
15 | 5b005e7656 |
hex | 3351a55f4f |
220413124431 has 16 divisors (see below), whose sum is σ = 326752427520. Its totient is φ = 146845573560.
The previous prime is 220413124387. The next prime is 220413124469. The reversal of 220413124431 is 134421314022.
220413124431 is a `hidden beast` number, since 2 + 2 + 0 + 413 + 1 + 244 + 3 + 1 = 666.
It is not a de Polignac number, because 220413124431 - 237 = 82974170959 is a prime.
It is a super-2 number, since 2×2204131244312 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a junction number, because it is equal to n+sod(n) for n = 220413124395 and 220413124404.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (220413124331) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2638935 + ... + 2721176.
It is an arithmetic number, because the mean of its divisors is an integer number (20422026720).
Almost surely, 2220413124431 is an apocalyptic number.
220413124431 is a deficient number, since it is larger than the sum of its proper divisors (106339303089).
220413124431 is a wasteful number, since it uses less digits than its factorization.
220413124431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5361643 (or 5361637 counting only the distinct ones).
The product of its (nonzero) digits is 4608, while the sum is 27.
Adding to 220413124431 its reverse (134421314022), we get a palindrome (354834438453).
The spelling of 220413124431 in words is "two hundred twenty billion, four hundred thirteen million, one hundred twenty-four thousand, four hundred thirty-one".
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