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505720160049 = 31312967183591
BaseRepresentation
bin1110101101111110100…
…01010011111100110001
31210100100111200221200010
413112333101103330301
531241203330110144
61024154042045133
751352134301656
oct7267721237461
91710314627603
10505720160049
111855249343a5
12820187a97a9
13388c6256c70
141a696bc9c2d
15d24cde05b9
hex75bf453f31

505720160049 has 8 divisors (see below), whose sum is σ = 726162281152. Its totient is φ = 311212406160.

The previous prime is 505720160041. The next prime is 505720160117. The reversal of 505720160049 is 940061027505.

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

It is not a de Polignac number, because 505720160049 - 23 = 505720160041 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 12967183591 = 505720160049 / (5 + 0 + 5 + 7 + 2 + 0 + 1 + 6 + 0 + 0 + 4 + 9).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 505720159989 and 505720160016.

It is not an unprimeable number, because it can be changed into a prime (505720160041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6483591757 + ... + 6483591834.

It is an arithmetic number, because the mean of its divisors is an integer number (90770285144).

Almost surely, 2505720160049 is an apocalyptic number.

It is an amenable number.

505720160049 is a deficient number, since it is larger than the sum of its proper divisors (220442121103).

505720160049 is a wasteful number, since it uses less digits than its factorization.

505720160049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12967183607.

The product of its (nonzero) digits is 75600, while the sum is 39.

The spelling of 505720160049 in words is "five hundred five billion, seven hundred twenty million, one hundred sixty thousand, forty-nine".

Divisors: 1 3 13 39 12967183591 38901550773 168573386683 505720160049