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2565350473 = 71721557567
BaseRepresentation
bin1001100011101000…
…0010010001001001
320121210011022021111
42120322002101021
520223212203343
61102320210321
7120400055620
oct23072022111
96553138244
102565350473
1110a7089864
125b71699a1
1331b63087a
141a49c26b7
15100338c9d
hex98e82449

2565350473 has 8 divisors (see below), whose sum is σ = 3104289792. Its totient is φ = 2069526336.

The previous prime is 2565350423. The next prime is 2565350479. The reversal of 2565350473 is 3740535652.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2565350473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2565350479) 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, 10778665 + ... + 10778902.

It is an arithmetic number, because the mean of its divisors is an integer number (388036224).

Almost surely, 22565350473 is an apocalyptic number.

It is an amenable number.

2565350473 is a deficient number, since it is larger than the sum of its proper divisors (538939319).

2565350473 is a wasteful number, since it uses less digits than its factorization.

2565350473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21557591.

The product of its (nonzero) digits is 378000, while the sum is 40.

The square root of 2565350473 is about 50649.2889683557. The cubic root of 2565350473 is about 1368.9331337485.

The spelling of 2565350473 in words is "two billion, five hundred sixty-five million, three hundred fifty thousand, four hundred seventy-three".

Divisors: 1 7 17 119 21557567 150902969 366478639 2565350473