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2520517057 = 12724182351
BaseRepresentation
bin1001011000111100…
…0000100111000001
320111122210112101121
42112033000213001
520130223021212
61054035232241
7116314020142
oct22617004701
96448715347
102520517057
111083847853
125a4148681
13312264016
1419ca71ac9
15eb42ed07
hex963c09c1

2520517057 has 8 divisors (see below), whose sum is σ = 2550935552. Its totient is φ = 2490264000.

The previous prime is 2520517033. The next prime is 2520517127. The reversal of 2520517057 is 7507150252.

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 2520517057 - 223 = 2512128449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2520517757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10569 + ... + 71782.

It is an arithmetic number, because the mean of its divisors is an integer number (318866944).

Almost surely, 22520517057 is an apocalyptic number.

It is an amenable number.

2520517057 is a deficient number, since it is larger than the sum of its proper divisors (30418495).

2520517057 is a wasteful number, since it uses less digits than its factorization.

2520517057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82719.

The product of its (nonzero) digits is 24500, while the sum is 34.

The square root of 2520517057 is about 50204.7513388922. The cubic root of 2520517057 is about 1360.9114883459.

The spelling of 2520517057 in words is "two billion, five hundred twenty million, five hundred seventeen thousand, fifty-seven".

Divisors: 1 127 241 30607 82351 10458577 19846591 2520517057