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2445221141 = 111391599229
BaseRepresentation
bin1001000110111111…
…0001110100010101
320022102010002210222
42101233301310111
520001434034031
61042345324125
7114411015416
oct22157616425
96272102728
102445221141
111045299920
12582a96645
132cc78cb1c
14192a7180d
15e4a09e7b
hex91bf1d15

2445221141 has 8 divisors (see below), whose sum is σ = 2686706400. Its totient is φ = 2206934640.

The previous prime is 2445221123. The next prime is 2445221147. The reversal of 2445221141 is 1411225442.

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 2445221141 - 214 = 2445204757 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2445221141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2445221147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 798086 + ... + 801143.

It is an arithmetic number, because the mean of its divisors is an integer number (335838300).

Almost surely, 22445221141 is an apocalyptic number.

It is an amenable number.

2445221141 is a deficient number, since it is larger than the sum of its proper divisors (241485259).

2445221141 is a wasteful number, since it uses less digits than its factorization.

2445221141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1599379.

The product of its digits is 2560, while the sum is 26.

The square root of 2445221141 is about 49449.1773541279. The cubic root of 2445221141 is about 1347.2226652750. Note that the first 3 decimals are identical.

Adding to 2445221141 its reverse (1411225442), we get a palindrome (3856446583).

The spelling of 2445221141 in words is "two billion, four hundred forty-five million, two hundred twenty-one thousand, one hundred forty-one".

Divisors: 1 11 139 1529 1599229 17591519 222292831 2445221141