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50505060999 = 316835020333
BaseRepresentation
bin101111000010010101…
…100001001010000111
311211100210011221001210
4233002111201022013
51311413243422444
635111322422503
73435363635541
oct570225411207
9154323157053
1050505060999
111a467876938
129956061a33
1349bb5a75a3
142631842691
1514a8dac7b9
hexbc2561287

50505060999 has 4 divisors (see below), whose sum is σ = 67340081336. Its totient is φ = 33670040664.

The previous prime is 50505060971. The next prime is 50505061001. The reversal of 50505060999 is 99906050505.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 50505060999 - 25 = 50505060967 is a prime.

It is a super-2 number, since 2×505050609992 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50505010999) 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, 8417510164 + ... + 8417510169.

It is an arithmetic number, because the mean of its divisors is an integer number (16835020334).

Almost surely, 250505060999 is an apocalyptic number.

50505060999 is a deficient number, since it is larger than the sum of its proper divisors (16835020337).

50505060999 is a wasteful number, since it uses less digits than its factorization.

50505060999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16835020336.

The product of its (nonzero) digits is 546750, while the sum is 48.

The spelling of 50505060999 in words is "fifty billion, five hundred five million, sixty thousand, nine hundred ninety-nine".

Divisors: 1 3 16835020333 50505060999