Base | Representation |
---|---|
bin | 1001010100001100… |
… | …1100000101111001 |
3 | 20110021101201202201 |
4 | 2111003030011321 |
5 | 20110131004040 |
6 | 1052045230201 |
7 | 115653045652 |
oct | 22503140571 |
9 | 6407351681 |
10 | 2500641145 |
11 | 1073601782 |
12 | 599562361 |
13 | 30b0c5222 |
14 | 19a17a529 |
15 | e9805a9a |
hex | 950cc179 |
2500641145 has 8 divisors (see below), whose sum is σ = 3104244360. Its totient is φ = 1931529600.
The previous prime is 2500641139. The next prime is 2500641161. The reversal of 2500641145 is 5411460052.
It can be written as a sum of positive squares in 4 ways, for example, as 647855209 + 1852785936 = 25453^2 + 43044^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2500641145 - 25 = 2500641113 is a prime.
It is a super-2 number, since 2×25006411452 = 12506412272133822050, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8622756 + ... + 8623045.
It is an arithmetic number, because the mean of its divisors is an integer number (388030545).
Almost surely, 22500641145 is an apocalyptic number.
It is an amenable number.
2500641145 is a deficient number, since it is larger than the sum of its proper divisors (603603215).
2500641145 is a wasteful number, since it uses less digits than its factorization.
2500641145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17245835.
The product of its (nonzero) digits is 4800, while the sum is 28.
The square root of 2500641145 is about 50006.4110389858. The cubic root of 2500641145 is about 1357.3248207328.
The spelling of 2500641145 in words is "two billion, five hundred million, six hundred forty-one thousand, one hundred forty-five".
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