Base | Representation |
---|---|
bin | 100111010110011110… |
… | …111001101001011011 |
3 | 11001001200201102021000 |
4 | 213112132321221123 |
5 | 1143013300132311 |
6 | 31224423120043 |
7 | 3024033452616 |
oct | 472636715133 |
9 | 131050642230 |
10 | 42253130331 |
11 | 16a12877225 |
12 | 82325a3023 |
13 | 3ca4ac7089 |
14 | 208b91917d |
15 | 11746eb056 |
hex | 9d67b9a5b |
42253130331 has 32 divisors (see below), whose sum is σ = 64203909120. Its totient is φ = 27450902592.
The previous prime is 42253130323. The next prime is 42253130333. The reversal of 42253130331 is 13303135224.
It is not a de Polignac number, because 42253130331 - 23 = 42253130323 is a prime.
It is a super-2 number, since 2×422531303312 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a junction number, because it is equal to n+sod(n) for n = 42253130295 and 42253130304.
It is not an unprimeable number, because it can be changed into a prime (42253130333) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 224226 + ... + 367128.
It is an arithmetic number, because the mean of its divisors is an integer number (2006372160).
Almost surely, 242253130331 is an apocalyptic number.
42253130331 is a deficient number, since it is larger than the sum of its proper divisors (21950778789).
42253130331 is a wasteful number, since it uses less digits than its factorization.
42253130331 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 143192 (or 143186 counting only the distinct ones).
The product of its (nonzero) digits is 6480, while the sum is 27.
Adding to 42253130331 its reverse (13303135224), we get a palindrome (55556265555).
The spelling of 42253130331 in words is "forty-two billion, two hundred fifty-three million, one hundred thirty thousand, three hundred thirty-one".
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