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50162112961 = 2239692
BaseRepresentation
bin101110101101111001…
…010001100111000001
311210110212212100210121
4232231321101213001
51310213000103321
635013312100241
73424030632202
oct565571214701
9153425770717
1050162112961
111a301228a04
12987b234681
13496552015c
1425dc08d5a9
151488c18441
hexbade519c1

50162112961 has 3 divisors (see below), whose sum is σ = 50162336931. Its totient is φ = 50161888992.

The previous prime is 50162112941. The next prime is 50162113013. The reversal of 50162112961 is 16921126105.

It is a happy number.

The square root of 50162112961 is 223969.

It is a perfect power (a square), and thus also a powerful number.

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 can be written as a sum of positive squares in only one way, i.e., 43464327361 + 6697785600 = 208481^2 + 81840^2 .

It is not a de Polignac number, because 50162112961 - 211 = 50162110913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50162112941) 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 2 ways as a sum of consecutive naturals, for example, 111985 + ... + 335953.

It is an arithmetic number, because the mean of its divisors is an integer number (16720778977).

Almost surely, 250162112961 is an apocalyptic number.

50162112961 is the 223969-th square number.

50162112961 is the 111985-th centered octagonal number.

It is an amenable number.

50162112961 is a deficient number, since it is larger than the sum of its proper divisors (223970).

50162112961 is an frugal number, since it uses more digits than its factorization.

50162112961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447938 (or 223969 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 34.

The spelling of 50162112961 in words is "fifty billion, one hundred sixty-two million, one hundred twelve thousand, nine hundred sixty-one".

Divisors: 1 223969 50162112961