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50145155441 = 78763716843
BaseRepresentation
bin101110101100111000…
…100101100101110001
311210102200221211110022
4232230320211211301
51310144124433231
635011504413225
73423433534313
oct565470454561
9153380854408
1050145155441
111a2a26a6527
129875617215
134961b63814
1425d9b177b3
1514874b8c7b
hexbace25971

50145155441 has 4 divisors (see below), whose sum is σ = 50208873072. Its totient is φ = 50081437812.

The previous prime is 50145155419. The next prime is 50145155461. The reversal of 50145155441 is 14455154105.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 50145155441 - 218 = 50144893297 is a prime.

It is a super-2 number, since 2×501451554412 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50145155461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31857635 + ... + 31859208.

It is an arithmetic number, because the mean of its divisors is an integer number (12552218268).

Almost surely, 250145155441 is an apocalyptic number.

It is an amenable number.

50145155441 is a deficient number, since it is larger than the sum of its proper divisors (63717631).

50145155441 is an equidigital number, since it uses as much as digits as its factorization.

50145155441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63717630.

The product of its (nonzero) digits is 40000, while the sum is 35.

The spelling of 50145155441 in words is "fifty billion, one hundred forty-five million, one hundred fifty-five thousand, four hundred forty-one".

Divisors: 1 787 63716843 50145155441