Base | Representation |
---|---|
bin | 1000010001110110010… |
… | …1001100101000111011 |
3 | 111121010021020100021110 |
4 | 2010131211030220323 |
5 | 4312241413224011 |
6 | 145201211011403 |
7 | 13163411563401 |
oct | 2043545145073 |
9 | 447107210243 |
10 | 142230211131 |
11 | 55357278838 |
12 | 23694739b63 |
13 | 10548940758 |
14 | 6c538d1471 |
15 | 3a76909ba6 |
hex | 211d94ca3b |
142230211131 has 16 divisors (see below), whose sum is σ = 197590982400. Its totient is φ = 90891836448.
The previous prime is 142230211127. The next prime is 142230211141. The reversal of 142230211131 is 131112032241.
It is not a de Polignac number, because 142230211131 - 22 = 142230211127 is a prime.
It is a super-2 number, since 2×1422302111312 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 142230211098 and 142230211107.
It is not an unprimeable number, because it can be changed into a prime (142230211141) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5868591 + ... + 5892776.
It is an arithmetic number, because the mean of its divisors is an integer number (12349436400).
Almost surely, 2142230211131 is an apocalyptic number.
142230211131 is a deficient number, since it is larger than the sum of its proper divisors (55360771269).
142230211131 is a wasteful number, since it uses less digits than its factorization.
142230211131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11761538.
The product of its (nonzero) digits is 288, while the sum is 21.
Adding to 142230211131 its reverse (131112032241), we get a palindrome (273342243372).
The spelling of 142230211131 in words is "one hundred forty-two billion, two hundred thirty million, two hundred eleven thousand, one hundred thirty-one".
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