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2850120421 = 5353775857
BaseRepresentation
bin1010100111100001…
…0110001011100101
321100122000010012121
42221320112023211
521314112323141
61150451545541
7130425423661
oct25170261345
97318003177
102850120421
111232900725
126765bb2b1
133656283b5
141d074d8a1
1511a33a1d1
hexa9e162e5

2850120421 has 4 divisors (see below), whose sum is σ = 2903896332. Its totient is φ = 2796344512.

The previous prime is 2850120419. The next prime is 2850120461. The reversal of 2850120421 is 1240210582.

2850120421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1361241025 + 1488879396 = 36895^2 + 38586^2 .

It is a cyclic number.

It is not a de Polignac number, because 2850120421 - 21 = 2850120419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2850120401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26887876 + ... + 26887981.

It is an arithmetic number, because the mean of its divisors is an integer number (725974083).

Almost surely, 22850120421 is an apocalyptic number.

It is an amenable number.

2850120421 is a deficient number, since it is larger than the sum of its proper divisors (53775911).

2850120421 is an equidigital number, since it uses as much as digits as its factorization.

2850120421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53775910.

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 2850120421 is about 53386.5190942433. The cubic root of 2850120421 is about 1417.8199074951.

The spelling of 2850120421 in words is "two billion, eight hundred fifty million, one hundred twenty thousand, four hundred twenty-one".

Divisors: 1 53 53775857 2850120421