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505061113 = 709712357
BaseRepresentation
bin11110000110101…
…001111011111001
31022012100202121011
4132012221323321
52013243423423
6122041113521
715341643244
oct3606517371
91265322534
10505061113
1123a103987
121211888a1
138083793b
144b11225b
152e517b0d
hex1e1a9ef9

505061113 has 4 divisors (see below), whose sum is σ = 505774180. Its totient is φ = 504348048.

The previous prime is 505061111. The next prime is 505061119. The reversal of 505061113 is 311160505.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 311160505 = 562232101.

It can be written as a sum of positive squares in 2 ways, for example, as 185831424 + 319229689 = 13632^2 + 17867^2 .

It is a cyclic number.

It is not a de Polignac number, because 505061113 - 21 = 505061111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (505061111) 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, 355470 + ... + 356887.

It is an arithmetic number, because the mean of its divisors is an integer number (126443545).

Almost surely, 2505061113 is an apocalyptic number.

It is an amenable number.

505061113 is a deficient number, since it is larger than the sum of its proper divisors (713067).

505061113 is an equidigital number, since it uses as much as digits as its factorization.

505061113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713066.

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 505061113 is about 22473.5647595125. The cubic root of 505061113 is about 796.3695460311.

The spelling of 505061113 in words is "five hundred five million, sixty-one thousand, one hundred thirteen".

Divisors: 1 709 712357 505061113