Base | Representation |
---|---|
bin | 1110111001101011… |
… | …0010110110010111 |
3 | 101022202201010102011 |
4 | 3232122302312113 |
5 | 31143000021211 |
6 | 1500525525051 |
7 | 201060310516 |
oct | 35632626627 |
9 | 11282633364 |
10 | 4000001431 |
11 | 1772995308 |
12 | 937713787 |
13 | 4b992226a |
14 | 29d35467d |
15 | 186275921 |
hex | ee6b2d97 |
4000001431 has 2 divisors, whose sum is σ = 4000001432. Its totient is φ = 4000001430.
The previous prime is 4000001419. The next prime is 4000001443. The reversal of 4000001431 is 1341000004.
It is a balanced prime because it is at equal distance from previous prime (4000001419) and next prime (4000001443).
It is a cyclic number.
It is not a de Polignac number, because 4000001431 - 217 = 3999870359 is a prime.
It is a super-2 number, since 2×40000014312 = 32000022896004095522, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (4000002431) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2000000715 + 2000000716.
It is an arithmetic number, because the mean of its divisors is an integer number (2000000716).
Almost surely, 24000001431 is an apocalyptic number.
4000001431 is a deficient number, since it is larger than the sum of its proper divisors (1).
4000001431 is an equidigital number, since it uses as much as digits as its factorization.
4000001431 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 48, while the sum is 13.
The square root of 4000001431 is about 63245.5645164149. The cubic root of 4000001431 is about 1587.4012412658.
Adding to 4000001431 its reverse (1341000004), we get a palindrome (5341001435).
The spelling of 4000001431 in words is "four billion, one thousand, four hundred thirty-one".
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