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5242542515 = 57149786929
BaseRepresentation
bin1001110000111101…
…01101100110110011
3111112100202202100022
410320132231212303
541214042330030
62224113514055
7243625606340
oct47036554663
914470682308
105242542515
112250307871
12102387292b
1365718ca82
1437a3997c7
1520a3b5de5
hex1387ad9b3

5242542515 has 8 divisors (see below), whose sum is σ = 7189772640. Its totient is φ = 3594886272.

The previous prime is 5242542511. The next prime is 5242542521. The reversal of 5242542515 is 5152452425.

5242542515 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 5242542515 - 22 = 5242542511 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 149786929 = 5242542515 / (5 + 2 + 4 + 2 + 5 + 4 + 2 + 5 + 1 + 5).

It is not an unprimeable number, because it can be changed into a prime (5242542511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74893430 + ... + 74893499.

It is an arithmetic number, because the mean of its divisors is an integer number (898721580).

Almost surely, 25242542515 is an apocalyptic number.

5242542515 is a deficient number, since it is larger than the sum of its proper divisors (1947230125).

5242542515 is a wasteful number, since it uses less digits than its factorization.

5242542515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149786941.

The product of its digits is 80000, while the sum is 35.

The square root of 5242542515 is about 72405.4039074433. The cubic root of 5242542515 is about 1737.1899986244.

The spelling of 5242542515 in words is "five billion, two hundred forty-two million, five hundred forty-two thousand, five hundred fifteen".

Divisors: 1 5 7 35 149786929 748934645 1048508503 5242542515