Base | Representation |
---|---|
bin | 10010001100001110000110… |
… | …00100010001010111111001 |
3 | 12020122011221021121211202100 |
4 | 21012013003010101113321 |
5 | 20220344204043321010 |
6 | 221024445423454013 |
7 | 11266033235105100 |
oct | 1106070304212771 |
9 | 166564837554670 |
10 | 40002303104505 |
11 | 11822977276625 |
12 | 45a086a457309 |
13 | 194227c7889b1 |
14 | 9c419c315037 |
15 | 4958420032c0 |
hex | 2461c31115f9 |
40002303104505 has 72 divisors (see below), whose sum is σ = 81067135890312. Its totient is φ = 18193940706816.
The previous prime is 40002303104479. The next prime is 40002303104507. The reversal of 40002303104505 is 50540130320004.
It can be written as a sum of positive squares in 4 ways, for example, as 19851729758784 + 20150573345721 = 4455528^2 + 4488939^2 .
It is not a de Polignac number, because 40002303104505 - 25 = 40002303104473 is a prime.
It is not an unprimeable number, because it can be changed into a prime (40002303104507) by changing a digit.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 45610372 + ... + 46479141.
It is an arithmetic number, because the mean of its divisors is an integer number (1125932442921).
Almost surely, 240002303104505 is an apocalyptic number.
40002303104505 is a gapful number since it is divisible by the number (45) formed by its first and last digit.
It is an amenable number.
40002303104505 is an abundant number, since it is smaller than the sum of its proper divisors (41064832785807).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
40002303104505 is a wasteful number, since it uses less digits than its factorization.
40002303104505 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 92089735 (or 92089725 counting only the distinct ones).
The product of its (nonzero) digits is 7200, while the sum is 27.
Adding to 40002303104505 its reverse (50540130320004), we get a palindrome (90542433424509).
The spelling of 40002303104505 in words is "forty trillion, two billion, three hundred three million, one hundred four thousand, five hundred five".
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