Base | Representation |
---|---|
bin | 1111110111111100110… |
… | …00110111110111001111 |
3 | 1221010212012221112002021 |
4 | 13323332120313313033 |
5 | 32414022023444211 |
6 | 1054322511311011 |
7 | 54256233624034 |
oct | 7737630676717 |
9 | 1833765845067 |
10 | 545433812431 |
11 | 1a0354193212 |
12 | 8986081b467 |
13 | 3c584bab861 |
14 | 1c58333938b |
15 | e2c46b3771 |
hex | 7efe637dcf |
545433812431 has 4 divisors (see below), whose sum is σ = 545619400200. Its totient is φ = 545248224664.
The previous prime is 545433812423. The next prime is 545433812437. The reversal of 545433812431 is 134218334545.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 545433812431 - 23 = 545433812423 is a prime.
It is a super-2 number, since 2×5454338124312 (a number of 24 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (545433812437) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92789476 + ... + 92795353.
It is an arithmetic number, because the mean of its divisors is an integer number (136404850050).
Almost surely, 2545433812431 is an apocalyptic number.
545433812431 is a deficient number, since it is larger than the sum of its proper divisors (185587769).
545433812431 is a wasteful number, since it uses less digits than its factorization.
545433812431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 185587768.
The product of its digits is 691200, while the sum is 43.
The spelling of 545433812431 in words is "five hundred forty-five billion, four hundred thirty-three million, eight hundred twelve thousand, four hundred thirty-one".
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