Base | Representation |
---|---|
bin | 11101001010010001001… |
… | …00110111100001110001 |
3 | 10112210012021021212120121 |
4 | 32211020210313201301 |
5 | 112403440410113040 |
6 | 2044142010410241 |
7 | 132250063005031 |
oct | 16451044674161 |
9 | 3483167255517 |
10 | 1001945004145 |
11 | 356a1691a338 |
12 | 142225430981 |
13 | 73638228877 |
14 | 366cc8a78c1 |
15 | 1b0e23b3c4a |
hex | e948937871 |
1001945004145 has 8 divisors (see below), whose sum is σ = 1202346356904. Its totient is φ = 801547768704.
The previous prime is 1001945004127. The next prime is 1001945004161. The reversal of 1001945004145 is 5414005491001.
It can be written as a sum of positive squares in 4 ways, for example, as 622874522176 + 379070481969 = 789224^2 + 615687^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1001945004145 - 25 = 1001945004113 is a prime.
It is a super-2 number, since 2×10019450041452 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 1001945004145.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 465924 + ... + 1490293.
It is an arithmetic number, because the mean of its divisors is an integer number (150293294613).
Almost surely, 21001945004145 is an apocalyptic number.
It is an amenable number.
1001945004145 is a deficient number, since it is larger than the sum of its proper divisors (200401352759).
1001945004145 is a wasteful number, since it uses less digits than its factorization.
1001945004145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2058659.
The product of its (nonzero) digits is 14400, while the sum is 34.
The spelling of 1001945004145 in words is "one trillion, one billion, nine hundred forty-five million, four thousand, one hundred forty-five".
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