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7550050505 = 51510010101
BaseRepresentation
bin1110000100000010…
…01010000011001001
3201111011202022020012
413002001022003021
5110430303104010
63245103441305
7355045241024
oct70201120311
921434668205
107550050505
113224896768
1215685b6235
1393426340a
14518a201bb
152e2c6c005
hex1c204a0c9

7550050505 has 4 divisors (see below), whose sum is σ = 9060060612. Its totient is φ = 6040040400.

The previous prime is 7550050481. The next prime is 7550050511. The reversal of 7550050505 is 5050500557.

7550050505 is digitally balanced in base 3, 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 2723691721 + 4826358784 = 52189^2 + 69472^2 .

It is a de Polignac number, because none of the positive numbers 2k-7550050505 is a prime.

It is a Duffinian number.

7550050505 is a modest number, since divided by 50505 gives 7550 as remainder.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 755005046 + ... + 755005055.

It is an arithmetic number, because the mean of its divisors is an integer number (2265015153).

Almost surely, 27550050505 is an apocalyptic number.

It is an amenable number.

7550050505 is a deficient number, since it is larger than the sum of its proper divisors (1510010107).

7550050505 is a wasteful number, since it uses less digits than its factorization.

7550050505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1510010106.

The product of its (nonzero) digits is 21875, while the sum is 32.

The square root of 7550050505 is about 86891.0266080451. The cubic root of 7550050505 is about 1961.7784171787.

The spelling of 7550050505 in words is "seven billion, five hundred fifty million, fifty thousand, five hundred five".

Divisors: 1 5 1510010101 7550050505