Base | Representation |
---|---|
bin | 100111001111111011… |
… | …100011101101010011 |
3 | 11000210000212111010012 |
4 | 213033323203231103 |
5 | 1142302124432011 |
6 | 31205455025135 |
7 | 3021230210342 |
oct | 471773435523 |
9 | 130700774105 |
10 | 42143202131 |
11 | 16966814578 |
12 | 820180b1ab |
13 | 3c880b85c4 |
14 | 207b0a1b59 |
15 | 1169c34a8b |
hex | 9cfee3b53 |
42143202131 has 8 divisors (see below), whose sum is σ = 43321848624. Its totient is φ = 40966642080.
The previous prime is 42143202107. The next prime is 42143202163. The reversal of 42143202131 is 13120234124.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-42143202131 is a prime.
It is a super-2 number, since 2×421432021312 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 42143202097 and 42143202106.
It is not an unprimeable number, because it can be changed into a prime (42143202191) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 480605 + ... + 561486.
It is an arithmetic number, because the mean of its divisors is an integer number (5415231078).
Almost surely, 242143202131 is an apocalyptic number.
42143202131 is a deficient number, since it is larger than the sum of its proper divisors (1178646493).
42143202131 is a wasteful number, since it uses less digits than its factorization.
42143202131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1043221.
The product of its (nonzero) digits is 1152, while the sum is 23.
Adding to 42143202131 its reverse (13120234124), we get a palindrome (55263436255).
The spelling of 42143202131 in words is "forty-two billion, one hundred forty-three million, two hundred two thousand, one hundred thirty-one".
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