Base | Representation |
---|---|
bin | 100101011101111010… |
… | …100101011011101110 |
3 | 10211211201111020122200 |
4 | 211131322211123232 |
5 | 1124342432010210 |
6 | 30252003522330 |
7 | 2622642166623 |
oct | 453572453356 |
9 | 124751436580 |
10 | 40230344430 |
11 | 16074a87241 |
12 | 79690893a6 |
13 | 3a41a02543 |
14 | 1d3900c34a |
15 | 10a6d370c0 |
hex | 95dea56ee |
40230344430 has 48 divisors (see below), whose sum is σ = 109146679200. Its totient is φ = 10261652544.
The previous prime is 40230344387. The next prime is 40230344437. The reversal of 40230344430 is 3444303204.
It is a super-2 number, since 2×402303444302 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 40230344394 and 40230344403.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (40230344437) 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, 9715405 + ... + 9719544.
It is an arithmetic number, because the mean of its divisors is an integer number (2273889150).
Almost surely, 240230344430 is an apocalyptic number.
40230344430 is an abundant number, since it is smaller than the sum of its proper divisors (68916334770).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
40230344430 is a wasteful number, since it uses less digits than its factorization.
40230344430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19434985 (or 19434982 counting only the distinct ones).
The product of its (nonzero) digits is 13824, while the sum is 27.
Adding to 40230344430 its reverse (3444303204), we get a palindrome (43674647634).
The spelling of 40230344430 in words is "forty billion, two hundred thirty million, three hundred forty-four thousand, four hundred thirty".
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