Base | Representation |
---|---|
bin | 1000010001110100000… |
… | …0010001001001000101 |
3 | 111121002121000111121010 |
4 | 2010131000101021011 |
5 | 4312231423431440 |
6 | 145200223312433 |
7 | 13163233363263 |
oct | 2043500211105 |
9 | 447077014533 |
10 | 142220530245 |
11 | 55351866402 |
12 | 2369144b719 |
13 | 10546931211 |
14 | 6c524d1433 |
15 | 3a75b46580 |
hex | 211d011245 |
142220530245 has 32 divisors (see below), whose sum is σ = 237729945600. Its totient is φ = 72466458944.
The previous prime is 142220530229. The next prime is 142220530259. The reversal of 142220530245 is 542035022241.
It is a cyclic number.
It is not a de Polignac number, because 142220530245 - 24 = 142220530229 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43786 + ... + 535124.
It is an arithmetic number, because the mean of its divisors is an integer number (7429060800).
Almost surely, 2142220530245 is an apocalyptic number.
142220530245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
142220530245 is a deficient number, since it is larger than the sum of its proper divisors (95509415355).
142220530245 is a wasteful number, since it uses less digits than its factorization.
142220530245 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 492209.
The product of its (nonzero) digits is 19200, while the sum is 30.
Adding to 142220530245 its reverse (542035022241), we get a palindrome (684255552486).
The spelling of 142220530245 in words is "one hundred forty-two billion, two hundred twenty million, five hundred thirty thousand, two hundred forty-five".
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