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2542305513 = 31177039561
BaseRepresentation
bin1001011110001000…
…1000000011101001
320120011210111112110
42113202020003221
520201312234023
61100134232533
7120000145266
oct22742100351
96504714473
102542305513
111095079840
125ab4b5749
133169224b7
141a190426d
15ed2d5a93
hex978880e9

2542305513 has 8 divisors (see below), whose sum is σ = 3697898976. Its totient is φ = 1540791200.

The previous prime is 2542305509. The next prime is 2542305517. The reversal of 2542305513 is 3155032452.

It is an interprime number because it is at equal distance from previous prime (2542305509) and next prime (2542305517).

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 2542305513 - 22 = 2542305509 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2542305517) 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, 38519748 + ... + 38519813.

It is an arithmetic number, because the mean of its divisors is an integer number (462237372).

Almost surely, 22542305513 is an apocalyptic number.

It is an amenable number.

2542305513 is a deficient number, since it is larger than the sum of its proper divisors (1155593463).

2542305513 is a wasteful number, since it uses less digits than its factorization.

2542305513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77039575.

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 2542305513 is about 50421.2803585946. The cubic root of 2542305513 is about 1364.8216815459.

Adding to 2542305513 its reverse (3155032452), we get a palindrome (5697337965).

The spelling of 2542305513 in words is "two billion, five hundred forty-two million, three hundred five thousand, five hundred thirteen".

Divisors: 1 3 11 33 77039561 231118683 847435171 2542305513