Base | Representation |
---|---|
bin | 100101010111111111… |
… | …101101011010010011 |
3 | 10211120210121021100220 |
4 | 211113333231122103 |
5 | 1124142020241111 |
6 | 30234055044123 |
7 | 2620325036343 |
oct | 452777553223 |
9 | 124523537326 |
10 | 40131024531 |
11 | 16023a0a784 |
12 | 793b970643 |
13 | 3a27269480 |
14 | 1d29b56d23 |
15 | 109d268e06 |
hex | 957fed693 |
40131024531 has 8 divisors (see below), whose sum is σ = 57624035280. Its totient is φ = 24696015072.
The previous prime is 40131024523. The next prime is 40131024539. The reversal of 40131024531 is 13542013104.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (40131024523) and next prime (40131024539).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 40131024531 - 23 = 40131024523 is a prime.
It is a super-2 number, since 2×401310245312 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (40131024539) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 514500276 + ... + 514500353.
It is an arithmetic number, because the mean of its divisors is an integer number (7203004410).
Almost surely, 240131024531 is an apocalyptic number.
40131024531 is a deficient number, since it is larger than the sum of its proper divisors (17493010749).
40131024531 is a wasteful number, since it uses less digits than its factorization.
40131024531 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1029000645.
The product of its (nonzero) digits is 1440, while the sum is 24.
Adding to 40131024531 its reverse (13542013104), we get a palindrome (53673037635).
The spelling of 40131024531 in words is "forty billion, one hundred thirty-one million, twenty-four thousand, five hundred thirty-one".
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