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50161500605 = 511388781417
BaseRepresentation
bin101110101101110110…
…111100000110111101
311210110211201020210202
4232231312330012331
51310212321004410
635013251013245
73424022501666
oct565566740675
9153424636722
1050161500605
111a30094a927
12987ab9a225
134965367508
1425dbd7036d
151488b46ca5
hexbaddbc1bd

50161500605 has 8 divisors (see below), whose sum is σ = 60726489912. Its totient is φ = 39774074368.

The previous prime is 50161500581. The next prime is 50161500617. The reversal of 50161500605 is 50600516105.

It can be written as a sum of positive squares in 4 ways, for example, as 967147801 + 49194352804 = 31099^2 + 221798^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 50161500605 - 210 = 50161499581 is a prime.

It is a super-2 number, since 2×501615006052 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44390144 + ... + 44391273.

It is an arithmetic number, because the mean of its divisors is an integer number (7590811239).

Almost surely, 250161500605 is an apocalyptic number.

It is an amenable number.

50161500605 is a deficient number, since it is larger than the sum of its proper divisors (10564989307).

50161500605 is a wasteful number, since it uses less digits than its factorization.

50161500605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88781535.

The product of its (nonzero) digits is 4500, while the sum is 29.

The spelling of 50161500605 in words is "fifty billion, one hundred sixty-one million, five hundred thousand, six hundred five".

Divisors: 1 5 113 565 88781417 443907085 10032300121 50161500605