Base | Representation |
---|---|
bin | 1000010010100100011… |
… | …0001111100010010100 |
3 | 111121121201210112022012 |
4 | 2010221012033202110 |
5 | 4313140344014444 |
6 | 145232312123352 |
7 | 13201246056563 |
oct | 2045106174224 |
9 | 447551715265 |
10 | 142423423124 |
11 | 55446344874 |
12 | 23729396558 |
13 | 1057998c188 |
14 | 6c71427bda |
15 | 3a88872b9e |
hex | 212918f894 |
142423423124 has 12 divisors (see below), whose sum is σ = 249285120084. Its totient is φ = 71199103104.
The previous prime is 142423423117. The next prime is 142423423127. The reversal of 142423423124 is 421324324241.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 129240250000 + 13183173124 = 359500^2 + 114818^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142423423127) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3126677 + ... + 3171900.
It is an arithmetic number, because the mean of its divisors is an integer number (20773760007).
Almost surely, 2142423423124 is an apocalyptic number.
It is an amenable number.
142423423124 is a deficient number, since it is larger than the sum of its proper divisors (106861696960).
142423423124 is a wasteful number, since it uses less digits than its factorization.
142423423124 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6304234 (or 6304232 counting only the distinct ones).
The product of its digits is 36864, while the sum is 32.
Adding to 142423423124 its reverse (421324324241), we get a palindrome (563747747365).
The spelling of 142423423124 in words is "one hundred forty-two billion, four hundred twenty-three million, four hundred twenty-three thousand, one hundred twenty-four".
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