Base | Representation |
---|---|
bin | 1010010000001111… |
… | …1101000110110001 |
3 | 21002211022111100211 |
4 | 2210003331012301 |
5 | 21114120001040 |
6 | 1133043344121 |
7 | 125131602523 |
oct | 24403750661 |
9 | 7084274324 |
10 | 2752500145 |
11 | 119279510a |
12 | 649982041 |
13 | 34b338b15 |
14 | 1c17bba13 |
15 | 1119a58ea |
hex | a40fd1b1 |
2752500145 has 8 divisors (see below), whose sum is σ = 3365321256. Its totient is φ = 2160452736.
The previous prime is 2752500139. The next prime is 2752500169. The reversal of 2752500145 is 5410052572.
It can be written as a sum of positive squares in 4 ways, for example, as 673869681 + 2078630464 = 25959^2 + 45592^2 .
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 2752500145 - 227 = 2618282417 is a prime.
It is a Duffinian number.
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, 5193132 + ... + 5193661.
It is an arithmetic number, because the mean of its divisors is an integer number (420665157).
Almost surely, 22752500145 is an apocalyptic number.
It is an amenable number.
2752500145 is a deficient number, since it is larger than the sum of its proper divisors (612821111).
2752500145 is a wasteful number, since it uses less digits than its factorization.
2752500145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10386851.
The product of its (nonzero) digits is 14000, while the sum is 31.
The square root of 2752500145 is about 52464.2749401914. The cubic root of 2752500145 is about 1401.4441127635. Note that the first 3 decimals are identical.
The spelling of 2752500145 in words is "two billion, seven hundred fifty-two million, five hundred thousand, one hundred forty-five".
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