Base | Representation |
---|---|
bin | 1000010010001001011… |
… | …0110011010011100111 |
3 | 111121022211222110200200 |
4 | 2010202112303103213 |
5 | 4312422420322211 |
6 | 145213152041543 |
7 | 13165403535063 |
oct | 2044226632347 |
9 | 447284873620 |
10 | 142310323431 |
11 | 55398516351 |
12 | 236b75332b3 |
13 | 1055c40cc93 |
14 | 6c603c6aa3 |
15 | 3a7d981b56 |
hex | 21225b34e7 |
142310323431 has 24 divisors (see below), whose sum is σ = 205949758560. Its totient is φ = 94693487616.
The previous prime is 142310323411. The next prime is 142310323453. The reversal of 142310323431 is 134323013241.
It is a happy number.
142310323431 is a `hidden beast` number, since 1 + 4 + 2 + 310 + 3 + 2 + 343 + 1 = 666.
It is not a de Polignac number, because 142310323431 - 26 = 142310323367 is a prime.
It is a super-2 number, since 2×1423103234312 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 142310323395 and 142310323404.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142310323411) 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, 28822795 + ... + 28827731.
It is an arithmetic number, because the mean of its divisors is an integer number (8581239940).
Almost surely, 2142310323431 is an apocalyptic number.
142310323431 is a deficient number, since it is larger than the sum of its proper divisors (63639435129).
142310323431 is a wasteful number, since it uses less digits than its factorization.
142310323431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10375 (or 10372 counting only the distinct ones).
The product of its (nonzero) digits is 5184, while the sum is 27.
Adding to 142310323431 its reverse (134323013241), we get a palindrome (276633336672).
The spelling of 142310323431 in words is "one hundred forty-two billion, three hundred ten million, three hundred twenty-three thousand, four hundred thirty-one".
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