Base | Representation |
---|---|
bin | 11011111100110011… |
… | …00110011010011101 |
3 | 1102201202120111221111 |
4 | 31332121212122131 |
5 | 221212404321140 |
6 | 10520552502021 |
7 | 1040565000664 |
oct | 157631463235 |
9 | 42652514844 |
10 | 15005542045 |
11 | 640026791a |
12 | 2aa93aa911 |
13 | 1551a39780 |
14 | a24c67ddb |
15 | 5cc55b7ea |
hex | 37e66669d |
15005542045 has 16 divisors (see below), whose sum is σ = 19403964720. Its totient is φ = 11074051584.
The previous prime is 15005542037. The next prime is 15005542051. The reversal of 15005542045 is 54024550051.
It can be written as a sum of positive squares in 8 ways, for example, as 1232641881 + 13772900164 = 35109^2 + 117358^2 .
It is a cyclic number.
It is not a de Polignac number, because 15005542045 - 23 = 15005542037 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 15005541998 and 15005542016.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32847 + ... + 176323.
It is an arithmetic number, because the mean of its divisors is an integer number (1212747795).
Almost surely, 215005542045 is an apocalyptic number.
It is an amenable number.
15005542045 is a deficient number, since it is larger than the sum of its proper divisors (4398422675).
15005542045 is a wasteful number, since it uses less digits than its factorization.
15005542045 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 145104.
The product of its (nonzero) digits is 20000, while the sum is 31.
The spelling of 15005542045 in words is "fifteen billion, five million, five hundred forty-two thousand, forty-five".
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