Base | Representation |
---|---|
bin | 10100100011100011100011… |
… | …00010110001100101011001 |
3 | 12221001021121220112221001100 |
4 | 22101301301202301211121 |
5 | 21411042441013431010 |
6 | 240045324330542013 |
7 | 12343514121000624 |
oct | 1221616142614531 |
9 | 187037556487040 |
10 | 45202140764505 |
11 | 1344813605389a |
12 | 50a0589597909 |
13 | 1c2b70b33c54a |
14 | b23b1c3a0dbb |
15 | 535c287cd2c0 |
hex | 291c718b1959 |
45202140764505 has 24 divisors (see below), whose sum is σ = 78876218795400. Its totient is φ = 23946011032320.
The previous prime is 45202140764491. The next prime is 45202140764507. The reversal of 45202140764505 is 50546704120254.
45202140764505 is a `hidden beast` number, since 4 + 5 + 20 + 21 + 40 + 7 + 64 + 505 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 3289620140361 + 41912520624144 = 1813731^2 + 6473988^2 .
It is not a de Polignac number, because 45202140764505 - 212 = 45202140760409 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (45202140764507) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3370771876 + ... + 3370785285.
It is an arithmetic number, because the mean of its divisors is an integer number (3286509116475).
Almost surely, 245202140764505 is an apocalyptic number.
45202140764505 is a gapful number since it is divisible by the number (45) formed by its first and last digit.
It is an amenable number.
45202140764505 is a deficient number, since it is larger than the sum of its proper divisors (33674078030895).
45202140764505 is a wasteful number, since it uses less digits than its factorization.
45202140764505 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6741557321 (or 6741557318 counting only the distinct ones).
The product of its (nonzero) digits is 1344000, while the sum is 45.
Adding to 45202140764505 its reverse (50546704120254), we get a palindrome (95748844884759).
The spelling of 45202140764505 in words is "forty-five trillion, two hundred two billion, one hundred forty million, seven hundred sixty-four thousand, five hundred five".
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