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5555027749 = 29191552681
BaseRepresentation
bin1010010110001101…
…01111111100100101
3112100010202122111111
411023012233330211
542334041341444
62315115305021
7254441646115
oct51306577445
915303678444
105555027749
1123a0739627
1210b044b171
136a6b3c68b
143a9a9d045
15227a3e234
hex14b1aff25

5555027749 has 4 divisors (see below), whose sum is σ = 5746580460. Its totient is φ = 5363475040.

The previous prime is 5555027743. The next prime is 5555027759. The reversal of 5555027749 is 9477205555.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3679271649 + 1875756100 = 60657^2 + 43310^2 .

It is a cyclic number.

It is not a de Polignac number, because 5555027749 - 221 = 5552930597 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5555027743) 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 3 ways as a sum of consecutive naturals, for example, 95776312 + ... + 95776369.

It is an arithmetic number, because the mean of its divisors is an integer number (1436645115).

Almost surely, 25555027749 is an apocalyptic number.

It is an amenable number.

5555027749 is a deficient number, since it is larger than the sum of its proper divisors (191552711).

5555027749 is a wasteful number, since it uses less digits than its factorization.

5555027749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191552710.

The product of its (nonzero) digits is 2205000, while the sum is 49.

The square root of 5555027749 is about 74532.0585318828. The cubic root of 5555027749 is about 1771.0415257121.

The spelling of 5555027749 in words is "five billion, five hundred fifty-five million, twenty-seven thousand, seven hundred forty-nine".

Divisors: 1 29 191552681 5555027749