Base | Representation |
---|---|
bin | 1001010111110001… |
… | …01010111100001011 |
3 | 110222122011122122000 |
4 | 10223320222330023 |
5 | 40300444243111 |
6 | 2151125002043 |
7 | 235451602326 |
oct | 45370527413 |
9 | 13878148560 |
10 | 5031243531 |
11 | 2152007806 |
12 | b84b53323 |
13 | 62247a8a2 |
14 | 35a2b57bd |
15 | 1e6a78c56 |
hex | 12be2af0b |
5031243531 has 8 divisors (see below), whose sum is σ = 7453694160. Its totient is φ = 3354162336.
The previous prime is 5031243523. The next prime is 5031243559. The reversal of 5031243531 is 1353421305.
5031243531 is a `hidden beast` number, since 5 + 0 + 3 + 124 + 3 + 531 = 666.
It is not a de Polignac number, because 5031243531 - 23 = 5031243523 is a prime.
It is a super-2 number, since 2×50312435312 = 50626822936458695922, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 186342353 = 5031243531 / (5 + 0 + 3 + 1 + 2 + 4 + 3 + 5 + 3 + 1).
It is a junction number, because it is equal to n+sod(n) for n = 5031243495 and 5031243504.
It is not an unprimeable number, because it can be changed into a prime (5031243521) 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, 93171150 + ... + 93171203.
It is an arithmetic number, because the mean of its divisors is an integer number (931711770).
Almost surely, 25031243531 is an apocalyptic number.
5031243531 is a deficient number, since it is larger than the sum of its proper divisors (2422450629).
5031243531 is a wasteful number, since it uses less digits than its factorization.
5031243531 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 186342362 (or 186342356 counting only the distinct ones).
The product of its (nonzero) digits is 5400, while the sum is 27.
The square root of 5031243531 is about 70931.2591950827. The cubic root of 5031243531 is about 1713.5302660590.
Adding to 5031243531 its reverse (1353421305), we get a palindrome (6384664836).
The spelling of 5031243531 in words is "five billion, thirty-one million, two hundred forty-three thousand, five hundred thirty-one".
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