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2450122145 = 5490024429
BaseRepresentation
bin1001001000001001…
…1110010110100001
320022202100002201122
42102002132112201
520004212402040
61043042342025
7114500460152
oct22202362641
96282302648
102450122145
111048037039
1258465a915
133007b7823
14193589929
15e51771b5
hex9209e5a1

2450122145 has 4 divisors (see below), whose sum is σ = 2940146580. Its totient is φ = 1960097712.

The previous prime is 2450122139. The next prime is 2450122153. The reversal of 2450122145 is 5412210542.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 436266769 + 2013855376 = 20887^2 + 44876^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2450122145 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 245012210 + ... + 245012219.

It is an arithmetic number, because the mean of its divisors is an integer number (735036645).

Almost surely, 22450122145 is an apocalyptic number.

It is an amenable number.

2450122145 is a deficient number, since it is larger than the sum of its proper divisors (490024435).

2450122145 is an equidigital number, since it uses as much as digits as its factorization.

2450122145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490024434.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 2450122145 is about 49498.7085185058. The cubic root of 2450122145 is about 1348.1221527325.

Adding to 2450122145 its reverse (5412210542), we get a palindrome (7862332687).

The spelling of 2450122145 in words is "two billion, four hundred fifty million, one hundred twenty-two thousand, one hundred forty-five".

Divisors: 1 5 490024429 2450122145