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5487342815 = 54051270913
BaseRepresentation
bin1010001110001001…
…00011010011011111
3112011102101220020002
411013010203103133
542214224432230
62304300444515
7252660434003
oct50704432337
915142356202
105487342815
112366509969
12109184973b
13695b01816
143a0ac0703
15221b1e545
hex1471234df

5487342815 has 8 divisors (see below), whose sum is σ = 6586461168. Its totient is φ = 4388774400.

The previous prime is 5487342811. The next prime is 5487342853. The reversal of 5487342815 is 5182437845.

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

It is not a de Polignac number, because 5487342815 - 22 = 5487342811 is a prime.

It is a super-2 number, since 2×54873428152 = 60221862338664248450, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5487342815.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5487342811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115202 + ... + 155711.

It is an arithmetic number, because the mean of its divisors is an integer number (823307646).

Almost surely, 25487342815 is an apocalyptic number.

5487342815 is a deficient number, since it is larger than the sum of its proper divisors (1099118353).

5487342815 is a wasteful number, since it uses less digits than its factorization.

5487342815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274969.

The product of its digits is 1075200, while the sum is 47.

The square root of 5487342815 is about 74076.6009951861. The cubic root of 5487342815 is about 1763.8190587756.

The spelling of 5487342815 in words is "five billion, four hundred eighty-seven million, three hundred forty-two thousand, eight hundred fifteen".

Divisors: 1 5 4051 20255 270913 1354565 1097468563 5487342815