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2250074161 = 2305997579
BaseRepresentation
bin1000011000011101…
…0110100000110001
312210210220121111001
42012013112200301
514102004333121
61011134522001
7106521212656
oct20607264061
95723817431
102250074161
11a55121025
12529666301
1329b21473a
14174b93c2d
15d280d991
hex861d6831

2250074161 has 4 divisors (see below), whose sum is σ = 2250194800. Its totient is φ = 2249953524.

The previous prime is 2250074143. The next prime is 2250074207. The reversal of 2250074161 is 1614700522.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2250074161 - 29 = 2250073649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2250074131) by changing a digit.

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, 25731 + ... + 71848.

It is an arithmetic number, because the mean of its divisors is an integer number (562548700).

Almost surely, 22250074161 is an apocalyptic number.

It is an amenable number.

2250074161 is a deficient number, since it is larger than the sum of its proper divisors (120639).

2250074161 is an equidigital number, since it uses as much as digits as its factorization.

2250074161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120638.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 2250074161 is about 47434.9466216628. The cubic root of 2250074161 is about 1310.3850937465.

Adding to 2250074161 its reverse (1614700522), we get a palindrome (3864774683).

The spelling of 2250074161 in words is "two billion, two hundred fifty million, seventy-four thousand, one hundred sixty-one".

Divisors: 1 23059 97579 2250074161