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50161562623 = 199725118459
BaseRepresentation
bin101110101101110111…
…001011001111111111
311210110211211101212201
4232231313023033333
51310212330000443
635013252212331
73424023150544
oct565567131777
9153424741781
1050161562623
111a300992487
12987b00a0a7
134965389803
1425dbd88bcb
151488b5a34d
hexbaddcb3ff

50161562623 has 4 divisors (see below), whose sum is σ = 50186683080. Its totient is φ = 50136442168.

The previous prime is 50161562609. The next prime is 50161562663. The reversal of 50161562623 is 32626516105.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32626516105 = 56525303221.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-50161562623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50161562603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12557233 + ... + 12561226.

It is an arithmetic number, because the mean of its divisors is an integer number (12546670770).

Almost surely, 250161562623 is an apocalyptic number.

50161562623 is a deficient number, since it is larger than the sum of its proper divisors (25120457).

50161562623 is a wasteful number, since it uses less digits than its factorization.

50161562623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25120456.

The product of its (nonzero) digits is 64800, while the sum is 37.

The spelling of 50161562623 in words is "fifty billion, one hundred sixty-one million, five hundred sixty-two thousand, six hundred twenty-three".

Divisors: 1 1997 25118459 50161562623