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2551422205 = 53691138251
BaseRepresentation
bin1001100000010011…
…1001110011111101
320120210221200021201
42120010321303331
520211131002310
61101101455501
7120140505463
oct23004716375
96523850251
102551422205
11109a2362a2
125b2571591
13318794ca7
141a2bd8833
15eded6e3a
hex98139cfd

2551422205 has 8 divisors (see below), whose sum is σ = 3062558304. Its totient is φ = 2040570000.

The previous prime is 2551422199. The next prime is 2551422221. The reversal of 2551422205 is 5022241552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2551422205 - 213 = 2551414013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 50671 + ... + 87580.

It is an arithmetic number, because the mean of its divisors is an integer number (382819788).

Almost surely, 22551422205 is an apocalyptic number.

It is an amenable number.

2551422205 is a deficient number, since it is larger than the sum of its proper divisors (511136099).

2551422205 is a wasteful number, since it uses less digits than its factorization.

2551422205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141947.

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 2551422205 is about 50511.6046567519. The cubic root of 2551422205 is about 1366.4511494052.

Adding to 2551422205 its reverse (5022241552), we get a palindrome (7573663757).

The spelling of 2551422205 in words is "two billion, five hundred fifty-one million, four hundred twenty-two thousand, two hundred five".

Divisors: 1 5 3691 18455 138251 691255 510284441 2551422205