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2551405130 = 25850130013
BaseRepresentation
bin1001100000010011…
…0101101001001010
320120210220210212022
42120010311221022
520211124431010
61101101244442
7120140404631
oct23004655112
96523823768
102551405130
11109a22448a
125b2563722
1331878a2a1
141a2bd2518
15eded1d55
hex98135a4a

2551405130 has 16 divisors (see below), whose sum is σ = 4593222504. Its totient is φ = 1020408000.

The previous prime is 2551405127. The next prime is 2551405147. The reversal of 2551405130 is 315041552.

It can be written as a sum of positive squares in 4 ways, for example, as 527574961 + 2023830169 = 22969^2 + 44987^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2551405130.

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 7 ways as a sum of consecutive naturals, for example, 70004 + ... + 100016.

Almost surely, 22551405130 is an apocalyptic number.

2551405130 is a deficient number, since it is larger than the sum of its proper divisors (2041817374).

2551405130 is a wasteful number, since it uses less digits than its factorization.

2551405130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38521.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 2551405130 is about 50511.4356359033. The cubic root of 2551405130 is about 1366.4481011438.

Adding to 2551405130 its reverse (315041552), we get a palindrome (2866446682).

The spelling of 2551405130 in words is "two billion, five hundred fifty-one million, four hundred five thousand, one hundred thirty".

Divisors: 1 2 5 10 8501 17002 30013 42505 60026 85010 150065 300130 255140513 510281026 1275702565 2551405130