Base | Representation |
---|---|
bin | 100111010000111100… |
… | …011111010100101101 |
3 | 11000211012220021002111 |
4 | 213100330133110231 |
5 | 1142321004123113 |
6 | 31211303524021 |
7 | 3021524662411 |
oct | 472074372455 |
9 | 130735807074 |
10 | 42160223533 |
11 | 1697538aa4a |
12 | 8207459611 |
13 | 3c8b79803c |
14 | 207d452d41 |
15 | 116b49813d |
hex | 9d0f1f52d |
42160223533 has 8 divisors (see below), whose sum is σ = 44766702648. Its totient is φ = 39567796224.
The previous prime is 42160223509. The next prime is 42160223543. The reversal of 42160223533 is 33532206124.
It can be written as a sum of positive squares in 4 ways, for example, as 21928574889 + 20231648644 = 148083^2 + 142238^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 42160223533 - 229 = 41623352621 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 42160223495 and 42160223504.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42160223503) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3506766 + ... + 3518767.
It is an arithmetic number, because the mean of its divisors is an integer number (5595837831).
Almost surely, 242160223533 is an apocalyptic number.
It is an amenable number.
42160223533 is a deficient number, since it is larger than the sum of its proper divisors (2606479115).
42160223533 is a wasteful number, since it uses less digits than its factorization.
42160223533 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7025903.
The product of its (nonzero) digits is 25920, while the sum is 31.
Adding to 42160223533 its reverse (33532206124), we get a palindrome (75692429657).
The spelling of 42160223533 in words is "forty-two billion, one hundred sixty million, two hundred twenty-three thousand, five hundred thirty-three".
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