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50222575642 = 225111287821
BaseRepresentation
bin101110110001011111…
…111011000000011010
311210122002122012000011
4232301133323000122
51310323434410032
635023312032134
73425363564221
oct566137730032
9153562565004
1050222575642
111a332375468
12989753264a
134974bcc8a5
14260610bcb8
15148e1ad247
hexbb17fb01a

50222575642 has 4 divisors (see below), whose sum is σ = 75333863466. Its totient is φ = 25111287820.

The previous prime is 50222575619. The next prime is 50222575649. The reversal of 50222575642 is 24657522205.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24657522205 = 54931504441.

It can be written as a sum of positive squares in only one way, i.e., 47584623321 + 2637952321 = 218139^2 + 51361^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 50222575595 and 50222575604.

It is not an unprimeable number, because it can be changed into a prime (50222575649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12555643909 + ... + 12555643912.

Almost surely, 250222575642 is an apocalyptic number.

50222575642 is a deficient number, since it is larger than the sum of its proper divisors (25111287824).

50222575642 is a wasteful number, since it uses less digits than its factorization.

50222575642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25111287823.

The product of its (nonzero) digits is 336000, while the sum is 40.

The spelling of 50222575642 in words is "fifty billion, two hundred twenty-two million, five hundred seventy-five thousand, six hundred forty-two".

Divisors: 1 2 25111287821 50222575642