Base | Representation |
---|---|
bin | 1111110111111100011… |
… | …00000001110101110111 |
3 | 1221010211222121110102120 |
4 | 13323332030001311313 |
5 | 32414020143223211 |
6 | 1054322311211023 |
7 | 54256163201514 |
oct | 7737614016567 |
9 | 1833758543376 |
10 | 545430445431 |
11 | 1a03522a3573 |
12 | 8985b676a73 |
13 | 3c5842a0151 |
14 | 1c582b0030b |
15 | e2c424ad06 |
hex | 7efe301d77 |
545430445431 has 8 divisors (see below), whose sum is σ = 765516414720. Its totient is φ = 344482386552.
The previous prime is 545430445423. The next prime is 545430445453. The reversal of 545430445431 is 134544034545.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 545430445431 - 23 = 545430445423 is a prime.
It is a super-2 number, since 2×5454304454312 (a number of 24 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (545430445471) 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, 4784477535 + ... + 4784477648.
It is an arithmetic number, because the mean of its divisors is an integer number (95689551840).
Almost surely, 2545430445431 is an apocalyptic number.
545430445431 is a deficient number, since it is larger than the sum of its proper divisors (220085969289).
545430445431 is a wasteful number, since it uses less digits than its factorization.
545430445431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9568955205.
The product of its (nonzero) digits is 1152000, while the sum is 42.
Adding to 545430445431 its reverse (134544034545), we get a palindrome (679974479976).
The spelling of 545430445431 in words is "five hundred forty-five billion, four hundred thirty million, four hundred forty-five thousand, four hundred thirty-one".
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