Base | Representation |
---|---|
bin | 1110100011011011110… |
… | …0110101011010010101 |
3 | 212220101000121001011012 |
4 | 3220312330311122111 |
5 | 13044030141121440 |
6 | 310510123022005 |
7 | 24030656051225 |
oct | 3506674653225 |
9 | 786330531135 |
10 | 250030020245 |
11 | 97045478975 |
12 | 4055a66a905 |
13 | 1a768370155 |
14 | c15c7c8085 |
15 | 6785798e65 |
hex | 3a36f35695 |
250030020245 has 8 divisors (see below), whose sum is σ = 300047201880. Its totient is φ = 200016564480.
The previous prime is 250030020241. The next prime is 250030020343. The reversal of 250030020245 is 542020030052.
It can be written as a sum of positive squares in 4 ways, for example, as 108901320004 + 141128700241 = 330002^2 + 375671^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 250030020245 - 22 = 250030020241 is a prime.
It is a super-2 number, since 2×2500300202452 (a number of 24 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 250030020245.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (250030020241) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 781640 + ... + 1054049.
It is an arithmetic number, because the mean of its divisors is an integer number (37505900235).
Almost surely, 2250030020245 is an apocalyptic number.
It is an amenable number.
250030020245 is a deficient number, since it is larger than the sum of its proper divisors (50017181635).
250030020245 is a wasteful number, since it uses less digits than its factorization.
250030020245 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1862935.
The product of its (nonzero) digits is 2400, while the sum is 23.
Adding to 250030020245 its reverse (542020030052), we get a palindrome (792050050297).
The spelling of 250030020245 in words is "two hundred fifty billion, thirty million, twenty thousand, two hundred forty-five".
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