Base | Representation |
---|---|
bin | 1100110111110111110… |
… | …10001111011100100111 |
3 | 1120021200112222010212121 |
4 | 12123323322033130213 |
5 | 24221324112404111 |
6 | 535110142530411 |
7 | 43645633402021 |
oct | 6337372173447 |
9 | 1507615863777 |
10 | 442313013031 |
11 | 16064718a35a |
12 | 71881896a07 |
13 | 3292c970b66 |
14 | 1759da29011 |
15 | b78b4c2871 |
hex | 66fbe8f727 |
442313013031 has 2 divisors, whose sum is σ = 442313013032. Its totient is φ = 442313013030.
The previous prime is 442313013019. The next prime is 442313013049. The reversal of 442313013031 is 130310313244.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 442313013031 - 223 = 442304624423 is a prime.
It is a super-2 number, since 2×4423130130312 (a number of 24 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 442313012987 and 442313013005.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (442313113031) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221156506515 + 221156506516.
It is an arithmetic number, because the mean of its divisors is an integer number (221156506516).
Almost surely, 2442313013031 is an apocalyptic number.
442313013031 is a deficient number, since it is larger than the sum of its proper divisors (1).
442313013031 is an equidigital number, since it uses as much as digits as its factorization.
442313013031 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2592, while the sum is 25.
Adding to 442313013031 its reverse (130310313244), we get a palindrome (572623326275).
The spelling of 442313013031 in words is "four hundred forty-two billion, three hundred thirteen million, thirteen thousand, thirty-one".
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