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5430818087 = 47115549321
BaseRepresentation
bin1010000111011001…
…11011010100100111
3112000111001010212122
411003230323110213
542110242134322
62254521140155
7251403122612
oct50354732447
915014033778
105430818087
112337612012
12107692a65b
136871a0636
143973a9179
1521bba6442
hex143b3b527

5430818087 has 4 divisors (see below), whose sum is σ = 5546367456. Its totient is φ = 5315268720.

The previous prime is 5430818053. The next prime is 5430818101. The reversal of 5430818087 is 7808180345.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5430818087 - 214 = 5430801703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5430818287) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57774614 + ... + 57774707.

It is an arithmetic number, because the mean of its divisors is an integer number (1386591864).

Almost surely, 25430818087 is an apocalyptic number.

5430818087 is a deficient number, since it is larger than the sum of its proper divisors (115549369).

5430818087 is a wasteful number, since it uses less digits than its factorization.

5430818087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115549368.

The product of its (nonzero) digits is 215040, while the sum is 44.

The square root of 5430818087 is about 73694.0844776567. The cubic root of 5430818087 is about 1757.7418188034.

The spelling of 5430818087 in words is "five billion, four hundred thirty million, eight hundred eighteen thousand, eighty-seven".

Divisors: 1 47 115549321 5430818087