Base | Representation |
---|---|
bin | 100111011011001100… |
… | …010000111110011111 |
3 | 11001021012101002010021 |
4 | 213123030100332133 |
5 | 1143144011144411 |
6 | 31240324253011 |
7 | 3026013115135 |
oct | 473314207637 |
9 | 131235332107 |
10 | 42332131231 |
11 | 16a53425825 |
12 | 8254b41167 |
13 | 3cb8297780 |
14 | 2098201755 |
15 | 117b603a71 |
hex | 9db310f9f |
42332131231 has 8 divisors (see below), whose sum is σ = 45599153040. Its totient is φ = 39066638592.
The previous prime is 42332131211. The next prime is 42332131249. The reversal of 42332131231 is 13213123324.
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 42332131231 - 25 = 42332131199 is a prime.
It is a super-2 number, since 2×423321312312 (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 = 42332131196 and 42332131205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42332131201) 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, 324466 + ... + 435823.
It is an arithmetic number, because the mean of its divisors is an integer number (5699894130).
Almost surely, 242332131231 is an apocalyptic number.
42332131231 is a deficient number, since it is larger than the sum of its proper divisors (3267021809).
42332131231 is a wasteful number, since it uses less digits than its factorization.
42332131231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 764585.
The product of its digits is 2592, while the sum is 25.
Adding to 42332131231 its reverse (13213123324), we get a palindrome (55545254555).
The spelling of 42332131231 in words is "forty-two billion, three hundred thirty-two million, one hundred thirty-one thousand, two hundred thirty-one".
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