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2550051551 = 4099362207
BaseRepresentation
bin1001011111111110…
…1011001011011111
320120201101001002202
42113333223023133
520210303122201
61101012242115
7120123036425
oct22777531337
96521331082
102550051551
11109948a523
125b201033b
13318405158
141a295d115
15edd15c6b
hex97feb2df

2550051551 has 4 divisors (see below), whose sum is σ = 2550154752. Its totient is φ = 2549948352.

The previous prime is 2550051533. The next prime is 2550051571. The reversal of 2550051551 is 1551500552.

It is a semiprime because it is the product of two primes, 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 2550051551 - 214 = 2550035167 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 (2550051521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9890 + ... + 72096.

It is an arithmetic number, because the mean of its divisors is an integer number (637538688).

Almost surely, 22550051551 is an apocalyptic number.

2550051551 is a deficient number, since it is larger than the sum of its proper divisors (103201).

2550051551 is an equidigital number, since it uses as much as digits as its factorization.

2550051551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103200.

The product of its (nonzero) digits is 6250, while the sum is 29.

The square root of 2550051551 is about 50498.0351201906. The cubic root of 2550051551 is about 1366.2064143685.

The spelling of 2550051551 in words is "two billion, five hundred fifty million, fifty-one thousand, five hundred fifty-one".

Divisors: 1 40993 62207 2550051551