Base | Representation |
---|---|
bin | 100101011101111001… |
… | …010100001000100111 |
3 | 10211211200212022212101 |
4 | 211131321110020213 |
5 | 1124342340331211 |
6 | 30251552432531 |
7 | 2622636312031 |
oct | 453571241047 |
9 | 124750768771 |
10 | 40230011431 |
11 | 1607487a035 |
12 | 7968b48747 |
13 | 3a41916abc |
14 | 1d38d62c51 |
15 | 10a6cbd5c1 |
hex | 95de54227 |
40230011431 has 8 divisors (see below), whose sum is σ = 41775771744. Its totient is φ = 38711134080.
The previous prime is 40230011347. The next prime is 40230011441. The reversal of 40230011431 is 13411003204.
40230011431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-40230011431 is a prime.
It is a super-2 number, since 2×402300114312 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 40230011399 and 40230011408.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (40230011441) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6717691 + ... + 6723676.
It is an arithmetic number, because the mean of its divisors is an integer number (5221971468).
Almost surely, 240230011431 is an apocalyptic number.
40230011431 is a gapful number since it is divisible by the number (41) formed by its first and last digit.
40230011431 is a deficient number, since it is larger than the sum of its proper divisors (1545760313).
40230011431 is a wasteful number, since it uses less digits than its factorization.
40230011431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13441481.
The product of its (nonzero) digits is 288, while the sum is 19.
Adding to 40230011431 its reverse (13411003204), we get a palindrome (53641014635).
The spelling of 40230011431 in words is "forty billion, two hundred thirty million, eleven thousand, four hundred thirty-one".
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