Base | Representation |
---|---|
bin | 100000010110101111011111… |
… | …000101000100010010010101 |
3 | 200122211202221212021212220200 |
4 | 200112233133011010102111 |
5 | 122122422010324144341 |
6 | 1222351505055451113 |
7 | 41654600122553445 |
oct | 4026573705042225 |
9 | 618752855255820 |
10 | 142300304131221 |
11 | 41383246a14645 |
12 | 13b62903b26a99 |
13 | 6152b26ab9972 |
14 | 271d52b44a125 |
15 | 116b856700db6 |
hex | 816bdf144495 |
142300304131221 has 12 divisors (see below), whose sum is σ = 208439882108640. Its totient is φ = 93530716329960.
The previous prime is 142300304131133. The next prime is 142300304131289. The reversal of 142300304131221 is 122131403003241.
142300304131221 is a `hidden beast` number, since 1 + 4 + 2 + 3 + 0 + 0 + 304 + 131 + 221 = 666.
It is not a de Polignac number, because 142300304131221 - 221 = 142300302034069 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142300304130221) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111346090231 + ... + 111346091508.
It is an arithmetic number, because the mean of its divisors is an integer number (17369990175720).
Almost surely, 2142300304131221 is an apocalyptic number.
It is an amenable number.
142300304131221 is a deficient number, since it is larger than the sum of its proper divisors (66139577977419).
142300304131221 is a wasteful number, since it uses less digits than its factorization.
142300304131221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 222692181816 (or 222692181813 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 27.
Adding to 142300304131221 its reverse (122131403003241), we get a palindrome (264431707134462).
The spelling of 142300304131221 in words is "one hundred forty-two trillion, three hundred billion, three hundred four million, one hundred thirty-one thousand, two hundred twenty-one".
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