Base | Representation |
---|---|
bin | 110000100010010011… |
… | …111000100010101111 |
3 | 11222112000000202120211 |
4 | 300202103320202233 |
5 | 1323213000321411 |
6 | 35535202323251 |
7 | 3523315163320 |
oct | 604223704257 |
9 | 158460022524 |
10 | 52115245231 |
11 | 20113774105 |
12 | a125359527 |
13 | 4bb7067a1a |
14 | 2745628447 |
15 | 155041e221 |
hex | c224f88af |
52115245231 has 8 divisors (see below), whose sum is σ = 59722572800. Its totient is φ = 44548490808.
The previous prime is 52115245229. The next prime is 52115245241. The reversal of 52115245231 is 13254251125.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 52115245231 - 21 = 52115245229 is a prime.
It is a super-2 number, since 2×521152452312 (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 = 52115245193 and 52115245202.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (52115245241) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10140531 + ... + 10145668.
It is an arithmetic number, because the mean of its divisors is an integer number (7465321600).
Almost surely, 252115245231 is an apocalyptic number.
52115245231 is a deficient number, since it is larger than the sum of its proper divisors (7607327569).
52115245231 is a wasteful number, since it uses less digits than its factorization.
52115245231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20286573.
The product of its digits is 12000, while the sum is 31.
Adding to 52115245231 its reverse (13254251125), we get a palindrome (65369496356).
The spelling of 52115245231 in words is "fifty-two billion, one hundred fifteen million, two hundred forty-five thousand, two hundred thirty-one".
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