Base | Representation |
---|---|
bin | 101010010100000110… |
… | …100111001010101100 |
3 | 11100021101220101202222 |
4 | 222110012213022230 |
5 | 1221022203343340 |
6 | 32512225334512 |
7 | 3165623214230 |
oct | 522406471254 |
9 | 140241811688 |
10 | 45434434220 |
11 | 182a560a99a |
12 | 897ba97438 |
13 | 4390c1ab06 |
14 | 22b02385c0 |
15 | 12adb548b5 |
hex | a941a72ac |
45434434220 has 24 divisors (see below), whose sum is σ = 109042642464. Its totient is φ = 15577520256.
The previous prime is 45434434219. The next prime is 45434434223. The reversal of 45434434220 is 2243443454.
It is a Harshad number since it is a multiple of its sum of digits (35).
It is not an unprimeable number, because it can be changed into a prime (45434434223) 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, 162265697 + ... + 162265976.
It is an arithmetic number, because the mean of its divisors is an integer number (4543443436).
Almost surely, 245434434220 is an apocalyptic number.
It is an amenable number.
45434434220 is an abundant number, since it is smaller than the sum of its proper divisors (63608208244).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
45434434220 is a wasteful number, since it uses less digits than its factorization.
45434434220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 324531689 (or 324531687 counting only the distinct ones).
The product of its (nonzero) digits is 184320, while the sum is 35.
Adding to 45434434220 its reverse (2243443454), we get a palindrome (47677877674).
The spelling of 45434434220 in words is "forty-five billion, four hundred thirty-four million, four hundred thirty-four thousand, two hundred twenty".
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