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50250002553 = 325583333617
BaseRepresentation
bin101110110011001000…
…100011000001111001
311210201000020121122200
4232303020203001321
51310403000040203
635030131540413
73426145655112
oct566310430171
9153630217580
1050250002553
111a3468a8733
1298a475a709
13497a7b362a
142609a0b209
1514917c99a3
hexbb3223079

50250002553 has 6 divisors (see below), whose sum is σ = 72583337034. Its totient is φ = 33500001696.

The previous prime is 50250002519. The next prime is 50250002567. The reversal of 50250002553 is 35520005205.

It can be written as a sum of positive squares in only one way, i.e., 30105026064 + 20144976489 = 173508^2 + 141933^2 .

It is not a de Polignac number, because 50250002553 - 26 = 50250002489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50250002053) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 2791666800 + ... + 2791666817.

It is an arithmetic number, because the mean of its divisors is an integer number (12097222839).

Almost surely, 250250002553 is an apocalyptic number.

It is an amenable number.

50250002553 is a deficient number, since it is larger than the sum of its proper divisors (22333334481).

50250002553 is a wasteful number, since it uses less digits than its factorization.

50250002553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5583333623 (or 5583333620 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 27.

Adding to 50250002553 its reverse (35520005205), we get a palindrome (85770007758).

The spelling of 50250002553 in words is "fifty billion, two hundred fifty million, two thousand, five hundred fifty-three".

Divisors: 1 3 9 5583333617 16750000851 50250002553