Base | Representation |
---|---|
bin | 11111001001000011011… |
… | …000111001001001101111 |
3 | 21120120202222021221002200 |
4 | 133021003120321021233 |
5 | 240030232210444211 |
6 | 4315040311552543 |
7 | 310416540344055 |
oct | 37110330711157 |
9 | 7516688257080 |
10 | 2140024312431 |
11 | 755640a30245 |
12 | 2a690198b753 |
13 | 126a5a189605 |
14 | 7581340a1d5 |
15 | 3aa00e02b56 |
hex | 1f24363926f |
2140024312431 has 24 divisors (see below), whose sum is σ = 3253989414000. Its totient is φ = 1351531464192.
The previous prime is 2140024312421. The next prime is 2140024312441. The reversal of 2140024312431 is 1342134200412.
2140024312431 is a `hidden beast` number, since 2 + 1 + 400 + 243 + 12 + 4 + 3 + 1 = 666.
It is an interprime number because it is at equal distance from previous prime (2140024312421) and next prime (2140024312441).
It is not a de Polignac number, because 2140024312431 - 225 = 2139990757999 is a prime.
It is a super-2 number, since 2×21400243124312 (a number of 25 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 2140024312395 and 2140024312404.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2140024312421) 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, 3545365 + ... + 4104833.
It is an arithmetic number, because the mean of its divisors is an integer number (135582892250).
Almost surely, 22140024312431 is an apocalyptic number.
2140024312431 is a deficient number, since it is larger than the sum of its proper divisors (1113965101569).
2140024312431 is a wasteful number, since it uses less digits than its factorization.
2140024312431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 581863 (or 581860 counting only the distinct ones).
The product of its (nonzero) digits is 4608, while the sum is 27.
Adding to 2140024312431 its reverse (1342134200412), we get a palindrome (3482158512843).
The spelling of 2140024312431 in words is "two trillion, one hundred forty billion, twenty-four million, three hundred twelve thousand, four hundred thirty-one".
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