Base | Representation |
---|---|
bin | 1101011001010110101… |
… | …0001100010101001111 |
3 | 211000001010210021101201 |
4 | 3112111222030111033 |
5 | 12232313344214211 |
6 | 253420551250331 |
7 | 22425120564013 |
oct | 3262552142517 |
9 | 730033707351 |
10 | 230144132431 |
11 | 896703aa044 |
12 | 3872a9799a7 |
13 | 1891950a525 |
14 | b1d3728543 |
15 | 5ebea6e0c1 |
hex | 3595a8c54f |
230144132431 has 24 divisors (see below), whose sum is σ = 246927320640. Its totient is φ = 214439864832.
The previous prime is 230144132423. The next prime is 230144132441. The reversal of 230144132431 is 134231441032.
It is a happy number.
It is not a de Polignac number, because 230144132431 - 23 = 230144132423 is a prime.
It is a super-2 number, since 2×2301441324312 (a number of 24 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 230144132431.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (230144132441) 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, 51564906 + ... + 51569368.
It is an arithmetic number, because the mean of its divisors is an integer number (10288638360).
Almost surely, 2230144132431 is an apocalyptic number.
230144132431 is a deficient number, since it is larger than the sum of its proper divisors (16783188209).
230144132431 is a wasteful number, since it uses less digits than its factorization.
230144132431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6243 (or 6226 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 28.
Adding to 230144132431 its reverse (134231441032), we get a palindrome (364375573463).
The spelling of 230144132431 in words is "two hundred thirty billion, one hundred forty-four million, one hundred thirty-two thousand, four hundred thirty-one".
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