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5540064687 = 33205187581
BaseRepresentation
bin1010010100011011…
…01010110110101111
3112022002121110001000
411022031222312233
542321224032222
62313422451343
7254200526043
oct51215526657
915262543030
105540064687
112393249663
1210a7433b53
136a3a00ab1
143a7ac6023
152265859ac
hex14a36adaf

5540064687 has 8 divisors (see below), whose sum is σ = 8207503280. Its totient is φ = 3693376440.

The previous prime is 5540064643. The next prime is 5540064697. The reversal of 5540064687 is 7864600455.

It is not a de Polignac number, because 5540064687 - 210 = 5540063663 is a prime.

It is a super-2 number, since 2×55400646872 = 61384633472288815938, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5540064637) 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, 102593764 + ... + 102593817.

It is an arithmetic number, because the mean of its divisors is an integer number (1025937910).

Almost surely, 25540064687 is an apocalyptic number.

5540064687 is a deficient number, since it is larger than the sum of its proper divisors (2667438593).

5540064687 is a wasteful number, since it uses less digits than its factorization.

5540064687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205187590 (or 205187584 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 45.

The square root of 5540064687 is about 74431.6108048187. The cubic root of 5540064687 is about 1769.4499324904.

The spelling of 5540064687 in words is "five billion, five hundred forty million, sixty-four thousand, six hundred eighty-seven".

Divisors: 1 3 9 27 205187581 615562743 1846688229 5540064687